diff --git a/monitoring/uss_qualifier/scenarios/astm/utm/dss/fragments/sub/sync.md b/monitoring/uss_qualifier/scenarios/astm/utm/dss/fragments/sub/sync.md
index fe52647a8e..41dbd1f278 100644
--- a/monitoring/uss_qualifier/scenarios/astm/utm/dss/fragments/sub/sync.md
+++ b/monitoring/uss_qualifier/scenarios/astm/utm/dss/fragments/sub/sync.md
@@ -5,49 +5,110 @@ This test step fragment validates that subscriptions are properly synchronized a
 ## 🛑 Subscription can be found at every DSS check
 
 If the previously created or mutated subscription cannot be found at a DSS, either one of the instances at which the subscription was created or the one that was queried,
-may be failing to implement **[astm.f3548.v21.DSS0210,1a](../../../../../../requirements/astm/f3548/v21.md)**.
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1a](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains the correct USS base URL check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the correct USS base URL,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1c](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1c](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains the correct start time check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the correct start time,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1e](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1e](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains the correct end time check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the correct end time,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1e](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1e](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains the correct version check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the correct version,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1f](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1f](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains the correct notification flags check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the correct notification flags,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1g](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1g](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains the correct implicit flag check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the correct implicit flag,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1h](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1h](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Propagated subscription contains expected notification count check
 
 If the subscription returned by a DSS to which the subscription was synchronized to does not contain the expected notification count,
-either one of the instances at which the subscription was created or the one that was queried, may be failing to implement **[astm.f3548.v21.DSS0210,1i](../../../../../../requirements/astm/f3548/v21.md)**.
+either one of the instances at which the subscription was created or the one that was queried,
+is failing to implement one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1i](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Secondary DSS returns the subscription in searches for area that contains it check
 
 The secondary DSS should be aware of the subscription's area: when a search query is issued for an area that encompasses the created subscription,
-the secondary DSS should return the subscription in its search results. Otherwise, it is in violation of **[astm.f3548.v21.DSS0210,1d](../../../../../../requirements/astm/f3548/v21.md)**.
+the secondary DSS should return the subscription in its search results.
+
+Otherwise, it is in violation of one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1d](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
 
 ## 🛑 Secondary DSS does not return the subscription in searches not encompassing the general area of the subscription check
 
 The secondary DSS should be aware of the subscription's area: when a search query is issued for an area not in the vicinity of the created subscription,
-the secondary DSS should not return it in its search results. Otherwise, it is in violation of **[astm.f3548.v21.DSS0210,1d](../../../../../../requirements/astm/f3548/v21.md)**.
+the secondary DSS should not return it in its search results.
+
+Otherwise, it is in violation of one of the following requirements:
+
+ - **[astm.f3548.v21.DSS0210,1d](../../../../../../requirements/astm/f3548/v21.md)**, if the API is not working as described by the OpenAPI specification
+ - **[astm.f3548.v21.DSS0215](../../../../../../requirements/astm/f3548/v21.md)**, if the DSS is returning API calls to the client before having updated its underlying distributed storage
+
+As a result, the DSS pool under test is failing to meet **[astm.f3548.v21.DSS0020](../../../../../../requirements/astm/f3548/v21.md)**.
diff --git a/monitoring/uss_qualifier/suites/astm/utm/dss_probing.md b/monitoring/uss_qualifier/suites/astm/utm/dss_probing.md
index c9d4e631c4..2250ab8789 100644
--- a/monitoring/uss_qualifier/suites/astm/utm/dss_probing.md
+++ b/monitoring/uss_qualifier/suites/astm/utm/dss_probing.md
@@ -21,7 +21,7 @@
     <th><a href="../../README.md#checked-in">Checked in</a></th>
   </tr>
   <tr>
-    <td rowspan="16" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
+    <td rowspan="10" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0005,1</a></td>
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/op_intent_ref_access_control.md">ASTM F3548-21 UTM DSS Operational Intent Reference Access Control</a><br><a href="../../../scenarios/astm/utm/dss/subscription_simple.md">ASTM SCD DSS: Subscription Simple</a><br><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a><br><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
@@ -41,6 +41,11 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
   </tr>
+  <tr>
+    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0020</a></td>
+    <td>Implemented</td>
+    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
+  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0200</a></td>
     <td>Implemented</td>
@@ -56,41 +61,6 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
   </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1c</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1d</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1e</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1f</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1g</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1h</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1i</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0300</a></td>
     <td>Implemented</td>
diff --git a/monitoring/uss_qualifier/suites/astm/utm/f3548_21.md b/monitoring/uss_qualifier/suites/astm/utm/f3548_21.md
index fb9a9fec82..9830472453 100644
--- a/monitoring/uss_qualifier/suites/astm/utm/f3548_21.md
+++ b/monitoring/uss_qualifier/suites/astm/utm/f3548_21.md
@@ -35,7 +35,7 @@
     <th><a href="../../README.md#checked-in">Checked in</a></th>
   </tr>
   <tr>
-    <td rowspan="42" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
+    <td rowspan="36" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0005,1</a></td>
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/prep_planners.md">ASTM F3548 flight planners preparation</a><br><a href="../../../scenarios/astm/utm/op_intent_ref_access_control.md">ASTM F3548-21 UTM DSS Operational Intent Reference Access Control</a><br><a href="../../../scenarios/astm/utm/dss/subscription_simple.md">ASTM SCD DSS: Subscription Simple</a><br><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a><br><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a><br><a href="../../../scenarios/astm/utm/off_nominal_planning/down_uss.md">Off-Nominal planning: down USS</a><br><a href="../../../scenarios/astm/utm/off_nominal_planning/down_uss_equal_priority_not_permitted.md">Off-Nominal planning: down USS with equal priority conflicts not permitted</a></td>
@@ -55,6 +55,11 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
   </tr>
+  <tr>
+    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0020</a></td>
+    <td>Implemented</td>
+    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
+  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0100,1</a></td>
     <td>Implemented</td>
@@ -75,41 +80,6 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
   </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1c</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1d</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1e</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1f</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1g</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1h</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1i</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0300</a></td>
     <td>Implemented</td>
diff --git a/monitoring/uss_qualifier/suites/faa/uft/message_signing.md b/monitoring/uss_qualifier/suites/faa/uft/message_signing.md
index b3e69423ea..8e848433c1 100644
--- a/monitoring/uss_qualifier/suites/faa/uft/message_signing.md
+++ b/monitoring/uss_qualifier/suites/faa/uft/message_signing.md
@@ -18,7 +18,7 @@
     <th><a href="../../README.md#checked-in">Checked in</a></th>
   </tr>
   <tr>
-    <td rowspan="42" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
+    <td rowspan="36" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0005,1</a></td>
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/prep_planners.md">ASTM F3548 flight planners preparation</a><br><a href="../../../scenarios/astm/utm/op_intent_ref_access_control.md">ASTM F3548-21 UTM DSS Operational Intent Reference Access Control</a><br><a href="../../../scenarios/astm/utm/dss/subscription_simple.md">ASTM SCD DSS: Subscription Simple</a><br><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a><br><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a><br><a href="../../../scenarios/astm/utm/off_nominal_planning/down_uss.md">Off-Nominal planning: down USS</a><br><a href="../../../scenarios/astm/utm/off_nominal_planning/down_uss_equal_priority_not_permitted.md">Off-Nominal planning: down USS with equal priority conflicts not permitted</a></td>
@@ -38,6 +38,11 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
   </tr>
+  <tr>
+    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0020</a></td>
+    <td>Implemented</td>
+    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
+  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0100,1</a></td>
     <td>Implemented</td>
@@ -58,41 +63,6 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
   </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1c</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1d</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1e</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1f</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1g</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1h</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1i</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0300</a></td>
     <td>Implemented</td>
diff --git a/monitoring/uss_qualifier/suites/interuss/dss/all_tests.md b/monitoring/uss_qualifier/suites/interuss/dss/all_tests.md
index 053a6748f6..1a81acfaf0 100644
--- a/monitoring/uss_qualifier/suites/interuss/dss/all_tests.md
+++ b/monitoring/uss_qualifier/suites/interuss/dss/all_tests.md
@@ -408,7 +408,7 @@
     <td><a href="../../../scenarios/astm/netrid/v22a/dss/heavy_traffic_concurrent.md">ASTM NetRID DSS: Concurrent Requests</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/isa_expiry.md">ASTM NetRID DSS: ISA Expiry</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/isa_subscription_interactions.md">ASTM NetRID DSS: ISA Subscription Interactions</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/isa_simple.md">ASTM NetRID DSS: Simple ISA</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/isa_validation.md">ASTM NetRID DSS: Submitted ISA Validations</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/subscription_simple.md">ASTM NetRID DSS: Subscription Simple</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/subscription_validation.md">ASTM NetRID DSS: Subscription Validation</a><br><a href="../../../scenarios/astm/netrid/v22a/dss/token_validation.md">ASTM NetRID DSS: Token Validation</a></td>
   </tr>
   <tr>
-    <td rowspan="16" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
+    <td rowspan="10" style="vertical-align:top;"><a href="../../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0005,1</a></td>
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/op_intent_ref_access_control.md">ASTM F3548-21 UTM DSS Operational Intent Reference Access Control</a><br><a href="../../../scenarios/astm/utm/dss/subscription_simple.md">ASTM SCD DSS: Subscription Simple</a><br><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a><br><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
@@ -428,6 +428,11 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
   </tr>
+  <tr>
+    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0020</a></td>
+    <td>Implemented</td>
+    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
+  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0200</a></td>
     <td>Implemented</td>
@@ -443,41 +448,6 @@
     <td>Implemented</td>
     <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
   </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1c</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1d</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1e</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1f</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1g</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1h</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../../requirements/astm/f3548/v21.md">DSS0210,1i</a></td>
-    <td>Implemented</td>
-    <td><a href="../../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
   <tr>
     <td><a href="../../../requirements/astm/f3548/v21.md">DSS0300</a></td>
     <td>Implemented</td>
diff --git a/monitoring/uss_qualifier/suites/uspace/flight_auth.md b/monitoring/uss_qualifier/suites/uspace/flight_auth.md
index f6500b179e..bb24fc9248 100644
--- a/monitoring/uss_qualifier/suites/uspace/flight_auth.md
+++ b/monitoring/uss_qualifier/suites/uspace/flight_auth.md
@@ -19,7 +19,7 @@
     <th><a href="../README.md#checked-in">Checked in</a></th>
   </tr>
   <tr>
-    <td rowspan="42" style="vertical-align:top;"><a href="../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
+    <td rowspan="36" style="vertical-align:top;"><a href="../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
     <td><a href="../../requirements/astm/f3548/v21.md">DSS0005,1</a></td>
     <td>Implemented</td>
     <td><a href="../../scenarios/astm/utm/prep_planners.md">ASTM F3548 flight planners preparation</a><br><a href="../../scenarios/astm/utm/op_intent_ref_access_control.md">ASTM F3548-21 UTM DSS Operational Intent Reference Access Control</a><br><a href="../../scenarios/astm/utm/dss/subscription_simple.md">ASTM SCD DSS: Subscription Simple</a><br><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a><br><a href="../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a><br><a href="../../scenarios/astm/utm/off_nominal_planning/down_uss.md">Off-Nominal planning: down USS</a><br><a href="../../scenarios/astm/utm/off_nominal_planning/down_uss_equal_priority_not_permitted.md">Off-Nominal planning: down USS with equal priority conflicts not permitted</a></td>
@@ -39,6 +39,11 @@
     <td>Implemented</td>
     <td><a href="../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
   </tr>
+  <tr>
+    <td><a href="../../requirements/astm/f3548/v21.md">DSS0020</a></td>
+    <td>Implemented</td>
+    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
+  </tr>
   <tr>
     <td><a href="../../requirements/astm/f3548/v21.md">DSS0100,1</a></td>
     <td>Implemented</td>
@@ -59,41 +64,6 @@
     <td>Implemented</td>
     <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
   </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1c</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1d</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1e</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1f</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1g</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1h</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1i</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
   <tr>
     <td><a href="../../requirements/astm/f3548/v21.md">DSS0300</a></td>
     <td>Implemented</td>
diff --git a/monitoring/uss_qualifier/suites/uspace/required_services.md b/monitoring/uss_qualifier/suites/uspace/required_services.md
index 2878452b5c..f4a41057fc 100644
--- a/monitoring/uss_qualifier/suites/uspace/required_services.md
+++ b/monitoring/uss_qualifier/suites/uspace/required_services.md
@@ -454,7 +454,7 @@
     <td><a href="../../scenarios/astm/netrid/v22a/dss/heavy_traffic_concurrent.md">ASTM NetRID DSS: Concurrent Requests</a><br><a href="../../scenarios/astm/netrid/v22a/dss/isa_expiry.md">ASTM NetRID DSS: ISA Expiry</a><br><a href="../../scenarios/astm/netrid/v22a/dss/isa_subscription_interactions.md">ASTM NetRID DSS: ISA Subscription Interactions</a><br><a href="../../scenarios/astm/netrid/v22a/dss/isa_simple.md">ASTM NetRID DSS: Simple ISA</a><br><a href="../../scenarios/astm/netrid/v22a/dss/isa_validation.md">ASTM NetRID DSS: Submitted ISA Validations</a><br><a href="../../scenarios/astm/netrid/v22a/dss/subscription_simple.md">ASTM NetRID DSS: Subscription Simple</a><br><a href="../../scenarios/astm/netrid/v22a/dss/subscription_validation.md">ASTM NetRID DSS: Subscription Validation</a><br><a href="../../scenarios/astm/netrid/v22a/dss/token_validation.md">ASTM NetRID DSS: Token Validation</a></td>
   </tr>
   <tr>
-    <td rowspan="42" style="vertical-align:top;"><a href="../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
+    <td rowspan="36" style="vertical-align:top;"><a href="../../requirements/astm/f3548/v21.md">astm<br>.f3548<br>.v21</a></td>
     <td><a href="../../requirements/astm/f3548/v21.md">DSS0005,1</a></td>
     <td>Implemented</td>
     <td><a href="../../scenarios/astm/utm/prep_planners.md">ASTM F3548 flight planners preparation</a><br><a href="../../scenarios/astm/utm/op_intent_ref_access_control.md">ASTM F3548-21 UTM DSS Operational Intent Reference Access Control</a><br><a href="../../scenarios/astm/utm/dss/subscription_simple.md">ASTM SCD DSS: Subscription Simple</a><br><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a><br><a href="../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a><br><a href="../../scenarios/astm/utm/off_nominal_planning/down_uss.md">Off-Nominal planning: down USS</a><br><a href="../../scenarios/astm/utm/off_nominal_planning/down_uss_equal_priority_not_permitted.md">Off-Nominal planning: down USS with equal priority conflicts not permitted</a></td>
@@ -474,6 +474,11 @@
     <td>Implemented</td>
     <td><a href="../../scenarios/astm/utm/dss/subscription_validation.md">ASTM SCD DSS: Subscription Validation</a></td>
   </tr>
+  <tr>
+    <td><a href="../../requirements/astm/f3548/v21.md">DSS0020</a></td>
+    <td>Implemented</td>
+    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
+  </tr>
   <tr>
     <td><a href="../../requirements/astm/f3548/v21.md">DSS0100,1</a></td>
     <td>Implemented</td>
@@ -494,41 +499,6 @@
     <td>Implemented</td>
     <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
   </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1c</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1d</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1e</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1f</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1g</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1h</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
-  <tr>
-    <td><a href="../../requirements/astm/f3548/v21.md">DSS0210,1i</a></td>
-    <td>Implemented</td>
-    <td><a href="../../scenarios/astm/utm/dss/synchronization/subscription_synchronization.md">ASTM SCD DSS: Subscription Synchronization</a></td>
-  </tr>
   <tr>
     <td><a href="../../requirements/astm/f3548/v21.md">DSS0300</a></td>
     <td>Implemented</td>