diff --git a/test/invariants/properties/PropertyFinalize.t.sol b/test/invariants/properties/PropertyFinalize.t.sol
new file mode 100644
index 0000000..370c900
--- /dev/null
+++ b/test/invariants/properties/PropertyFinalize.t.sol
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.26;
+
+import {IEBORequestModule, IOracle} from '../Setup.t.sol';
+import {HandlerParent} from '../handlers/HandlerParent.t.sol';
+
+contract PropertyFinalize is HandlerParent {
+  /// @custom:property-id 10
+  /// @custom:property An answer can only be finalized after the deadline
+  function property_finalizeAfterDeadline(uint256 _requestIdSeed, uint256 _responseIdSeed) public {
+    // Pick random Response
+    bytes32 _requestId = _getRandomRequestId(_requestIdSeed);
+    IOracle.Request memory _requestData = _ghost_requestData[_requestId];
+
+    (bytes32 _responseId, IOracle.Response memory _responseData) = _getRandomActiveResponse(_requestId, _responseIdSeed);
+
+    vm.prank(msg.sender);
+    try oracle.finalize(_requestData, _responseData) {
+      // After deadline
+      //
+      // Update ghosts
+    } catch {
+      // Before response deadline or
+      // No response if there is one or
+      // Unresolved disputed or
+      //
+    }
+  }
+
+  // TODO: consider adding property for releasing unfinazible ones?
+}
diff --git a/test/invariants/properties/PropertyParent.t.sol b/test/invariants/properties/PropertyParent.t.sol
index beafc74..211b4d4 100644
--- a/test/invariants/properties/PropertyParent.t.sol
+++ b/test/invariants/properties/PropertyParent.t.sol
@@ -2,9 +2,12 @@
 pragma solidity 0.8.26;
 
 import {PropertyDispute} from './PropertyDispute.t.sol';
+
+import {PropertyFinalize} from './PropertyFinalize.t.sol';
 import {PropertyRequester} from './PropertyRequester.t.sol';
 
-contract PropertyParent is PropertyRequester, PropertyDispute {
-  //solhint-disable no-empty-blocks
-  constructor() {}
+contract PropertyParent is PropertyRequester, PropertyDispute, PropertyFinalize {
+// | 11  | bonded token can never be used on behalf of someone else, unless allowed by the Horizon staking contract                              |      | [ ]    |
+// | 12  | each bonded amount can only be tied to one requestId                                                                                  |      | [ ]    |
+// | 13  | each disputeId and responseId can only be tied to one requestId
 }