diff --git a/index b/index
index 5d91e7a..8afb231 100644
--- a/index
+++ b/index
@@ -348,18 +348,20 @@ f373a2735a695d0fc7f88e0c55891da9e906020047a90c56791cb170b5e6e880 irma-demo/surf/
 0e33cca719f8f2e31fce8ba7382cff0e2a349b9d50776b96ded7042eda911816 irma-demo/suwinet/PublicKeys/0.xml
 4250631a47943de15794c0eb693f658c49840a4aa0c98f9c2f899005034a092a irma-demo/suwinet/description.xml
 9c9646ba39bd7167d8c3e52af7e7a8bab2b9360baadd6bcd45bc95b57f0a5462 irma-demo/suwinet/logo.png
-4cd5348897ed5adcd8a06c1b5cf801e61b2917aae3762ccb883929282f4d248f irma-demo/timestamp
+dfcd639c0450d7126913812adb8dfde272b6d0dbc581dea04470bbd65379736f irma-demo/timestamp
 f7f88018902f51f572fb7c321a59f41034156a882d4ee852089d9e7a72ba2322 irma-demo/tweedegolf/Issues/regelregister/description.xml
 349b50ad56f8609fb4c5249473219b118d994d87f87de846448344776cf53e6d irma-demo/tweedegolf/Issues/regelregister/logo.png
 e329c1812817fb7b2342f601c9ccbe10a123e411df86cc085b78609dd1b34f07 irma-demo/tweedegolf/PublicKeys/0.xml
 13f04a79528bd3e5c6121f8eaf06c0ffb210f52373c42d47fbe4ed6b3bd2c92b irma-demo/tweedegolf/description.xml
 48c7461045135109faad367bfd9fadb0de1d59ae3da8caac9cdbc273416ed0ed irma-demo/tweedegolf/logo.png
-a1d5fc91e628b878eba04197febf11a18ab26552c3cf43c855d5b2b02b1e12b3 irma-demo/uzipoc-cibg/Issues/uzi-2/description.xml
+92452b379dd0148d36f48646043987cb312933a00777ab9d11189eb7c3ff0c8c irma-demo/uzipoc-cibg/Issues/uzi-2/description.xml
 6babfe82f0f6027272a903c6614ccbc8d45365e20dddb159d642072cdf0de6a8 irma-demo/uzipoc-cibg/Issues/uzi-2/logo.png
-a2588bd2bb77c2823c72bf3a31cf91cee9630103f2219fd0ce0cb1bde5e290e0 irma-demo/uzipoc-cibg/Issues/uzi-acceptance/description.xml
+77ce06760f94fb87bc0b7729adaf49e3dd1e7eee1106e2e00bfa5b3a08434b0b irma-demo/uzipoc-cibg/Issues/uzi-acceptance/description.xml
 6babfe82f0f6027272a903c6614ccbc8d45365e20dddb159d642072cdf0de6a8 irma-demo/uzipoc-cibg/Issues/uzi-acceptance/logo.png
-9dbb5d071f273a5c48e3f254eff980be9ccfb0247aa3c21f483bb7a7e7b9e2c7 irma-demo/uzipoc-cibg/Issues/uzi-demo/description.xml
+f952d823c834b32c396b8a449daafd8a54a20fc31de0e2de6c22637299086541 irma-demo/uzipoc-cibg/Issues/uzi-demo/description.xml
 6babfe82f0f6027272a903c6614ccbc8d45365e20dddb159d642072cdf0de6a8 irma-demo/uzipoc-cibg/Issues/uzi-demo/logo.png
+73acdaf48e38997dbd14c78da95783060e2b3f85149df4602029f5b52c260beb irma-demo/uzipoc-cibg/Issues/uzi-proeftuin/description.xml
+6babfe82f0f6027272a903c6614ccbc8d45365e20dddb159d642072cdf0de6a8 irma-demo/uzipoc-cibg/Issues/uzi-proeftuin/logo.png
 9026253f8f6edde88f412130a9b394c84e30289831334233bfbdf663de199f18 irma-demo/uzipoc-cibg/Issues/uzi/description.xml
 6babfe82f0f6027272a903c6614ccbc8d45365e20dddb159d642072cdf0de6a8 irma-demo/uzipoc-cibg/Issues/uzi/logo.png
 c3da7ddf8d73978e4e1d5e9810792027f824c89d569f87b867534041fdb7a4ba irma-demo/uzipoc-cibg/PublicKeys/0.xml
diff --git a/index.sig b/index.sig
index 4dfbb9b..709ba86 100644
Binary files a/index.sig and b/index.sig differ
diff --git a/timestamp b/timestamp
index 6dce444..467714d 100644
--- a/timestamp
+++ b/timestamp
@@ -1 +1 @@
-1695307926
+1697010779
diff --git a/uzipoc-cibg/Issues/uzi-2/description.xml b/uzipoc-cibg/Issues/uzi-2/description.xml
index 43952db..b435546 100644
--- a/uzipoc-cibg/Issues/uzi-2/description.xml
+++ b/uzipoc-cibg/Issues/uzi-2/description.xml
@@ -21,6 +21,7 @@
 		<en>https://irma-disclosure.uzipoc.nl</en>
 		<nl>https://irma-disclosure.uzipoc.nl</nl>
 	</IssueURL>
+	<IsULIssueURL>true</IsULIssueURL>
 
 	<Attributes>
 		<Attribute id="initials">
diff --git a/uzipoc-cibg/Issues/uzi-acceptance/description.xml b/uzipoc-cibg/Issues/uzi-acceptance/description.xml
index 4856fa5..2d5073d 100644
--- a/uzipoc-cibg/Issues/uzi-acceptance/description.xml
+++ b/uzipoc-cibg/Issues/uzi-acceptance/description.xml
@@ -1,6 +1,6 @@
 <IssueSpecification version="4">
     <RevocationServers>
-        <RevocationServer>https://irma.uzipoc.nl</RevocationServer>
+        <RevocationServer>https://yivi.pilot.uzi-online.acc.rdobeheer.nl</RevocationServer>
     </RevocationServers>
 	<Name>
 		<en>Demo Uzi register</en>
@@ -21,6 +21,7 @@
 		<en>https://yivi.pilot.uzi-online.acc.rdobeheer.nl/</en>
 		<nl>https://yivi.pilot.uzi-online.acc.rdobeheer.nl/</nl>
 	</IssueURL>
+	<IsULIssueURL>true</IsULIssueURL>
 
 	<Attributes>
 		<Attribute id="initials">
diff --git a/uzipoc-cibg/Issues/uzi-demo/description.xml b/uzipoc-cibg/Issues/uzi-demo/description.xml
index 5af62f5..da76e0e 100644
--- a/uzipoc-cibg/Issues/uzi-demo/description.xml
+++ b/uzipoc-cibg/Issues/uzi-demo/description.xml
@@ -18,6 +18,7 @@
 		<en>https://irma-disclosure.uzipoc.nl</en>
 		<nl>https://irma-disclosure.uzipoc.nl</nl>
 	</IssueURL>
+	<IsULIssueURL>true</IsULIssueURL>
 
 	<Attributes>
 		<Attribute id="initials">
diff --git a/uzipoc-cibg/Issues/uzi-proeftuin/description.xml b/uzipoc-cibg/Issues/uzi-proeftuin/description.xml
new file mode 100644
index 0000000..6b3deea
--- /dev/null
+++ b/uzipoc-cibg/Issues/uzi-proeftuin/description.xml
@@ -0,0 +1,119 @@
+<IssueSpecification version="4">
+    <RevocationServers>
+        <RevocationServer>https://yivi.proeftuin.uzi.rdobeheer.nl</RevocationServer>
+    </RevocationServers>
+	<Name>
+		<en>Demo Uzi register</en>
+		<nl>Demo Uzi register</nl>
+	</Name>
+	<ShortName>
+		<en>Uzi register</en>
+		<nl>Uzi register</nl>
+	</ShortName>
+	<SchemeManager>irma-demo</SchemeManager>
+	<IssuerID>uzipoc-cibg</IssuerID>
+	<CredentialID>uzi-proeftuin</CredentialID>
+	<Description>
+		<en>Uzi register attributen</en>
+		<nl>Uzi register gegevens</nl>
+	</Description>
+	<IssueURL>
+		<en>https://yivi.proeftuin.uzi.rdobeheer.nl/</en>
+		<nl>https://yivi.proeftuin.uzi.rdobeheer.nl/</nl>
+	</IssueURL>
+	<IsULIssueURL>true</IsULIssueURL>
+
+	<Attributes>
+		<Attribute id="initials">
+			<Name>
+				<en>Initials</en>
+				<nl>Initialen</nl>
+			</Name>
+			<Description>
+				<en>Your initials</en>
+				<nl>Uw initialen</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="surnamePrefix">
+			<Name>
+				<en>Surname prefix</en>
+				<nl>Tussenvoegsel</nl>
+			</Name>
+			<Description>
+				<en>Your surname prefix</en>
+				<nl>Uw tussenvoegsel</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="surname">
+			<Name>
+				<en>Surname</en>
+				<nl>Achternaam</nl>
+			</Name>
+			<Description>
+				<en>Your surname</en>
+				<nl>Uw achternaam</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="entityName">
+			<Name>
+				<en>Ura name</en>
+				<nl>Ura naam</nl>
+			</Name>
+			<Description>
+				<en>The name of an ura healthcare organisation</en>
+				<nl>De naam van een ura zorgaanbieder</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="ura">
+			<Name>
+				<en>Ura number</en>
+				<nl>Uranummer</nl>
+			</Name>
+			<Description>
+				<en>The ura number of an ura healthcare organisation</en>
+				<nl>Het ura nummer van een ura zorgaanbieder</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="uziId">
+			<Name>
+				<en>Uzi Number</en>
+				<nl>Uzinummer</nl>
+			</Name>
+			<Description>
+				<en>Your uzi number</en>
+				<nl>Uw uzinummer</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="roles">
+			<Name>
+				<en>Roles</en>
+				<nl>Rollen</nl>
+			</Name>
+			<Description>
+				<en>Your roles as defined in the Uzi Register</en>
+				<nl>Uw rollen zoals gedefineerd in het Uzi Register</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="loaAuthn">
+			<Name>
+				<en>Authorization assurance level</en>
+				<nl>Autorisatie zekerheidsniveau</nl>
+			</Name>
+			<Description>
+				<en>Level of authorization assurance</en>
+				<nl>Niveau van autorisatie zekerheid</nl>
+			</Description>
+		</Attribute>
+		<Attribute id="loaUzi">
+			<Name>
+				<en>Uzi assurance level</en>
+				<nl>Uzi zekerheidsniveau</nl>
+			</Name>
+			<Description>
+				<en>Level of uzi assurance</en>
+				<nl>Niveau van uzi zekerheid</nl>
+			</Description>
+		</Attribute>
+		<Attribute revocation="true"/>
+	</Attributes>
+</IssueSpecification>
diff --git a/uzipoc-cibg/Issues/uzi-proeftuin/logo.png b/uzipoc-cibg/Issues/uzi-proeftuin/logo.png
new file mode 100644
index 0000000..72c6529
Binary files /dev/null and b/uzipoc-cibg/Issues/uzi-proeftuin/logo.png differ