diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/enums/AuditAction.java b/src/main/java/uk/gov/hmcts/reform/pip/model/enums/AuditAction.java
index 3eac16d8..601ae291 100644
--- a/src/main/java/uk/gov/hmcts/reform/pip/model/enums/AuditAction.java
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/enums/AuditAction.java
@@ -31,5 +31,10 @@ public enum AuditAction {
     RESUBMIT_SUBSCRIPTION,
     CREATE_LOCATION_METADATA,
     UPDATE_LOCATION_METADATA,
-    DELETE_LOCATION_METADATA
+    DELETE_LOCATION_METADATA,
+    THIRD_PARTY_SUBSCRIBER_CREATION,
+    DELETE_THIRD_PARTY_SUBSCRIBER,
+    VIEW_THIRD_PARTY_SUBSCRIBERS,
+    MANAGE_THIRD_PARTY_SUBSCRIBER_VIEW,
+    THIRD_PARTY_SUBSCRIBER_OAUTH_CONFIG_CREATED
 }
diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/publication/Artefact.java b/src/main/java/uk/gov/hmcts/reform/pip/model/publication/Artefact.java
index 776f9efd..4def14d8 100644
--- a/src/main/java/uk/gov/hmcts/reform/pip/model/publication/Artefact.java
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/publication/Artefact.java
@@ -96,4 +96,9 @@ public class Artefact {
      * Metadata that will be indexed for searching.
      */
     private Map<String, List<Object>> search;
+
+    /**
+     * A counter to show how many times the artefact has been superseded. Default is 0.
+     */
+    private int supersededCount;
 }
diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/ThirdPartySubscription.java b/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/LegacyThirdPartySubscription.java
similarity index 89%
rename from src/main/java/uk/gov/hmcts/reform/pip/model/subscription/ThirdPartySubscription.java
rename to src/main/java/uk/gov/hmcts/reform/pip/model/subscription/LegacyThirdPartySubscription.java
index 1f1d3778..63791dcc 100644
--- a/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/ThirdPartySubscription.java
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/LegacyThirdPartySubscription.java
@@ -12,7 +12,7 @@
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
-public class ThirdPartySubscription {
+public class LegacyThirdPartySubscription {
     @NotNull
     String apiDestination;
 
diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/ThirdPartySubscriptionArtefact.java b/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/LegacyThirdPartySubscriptionArtefact.java
similarity index 88%
rename from src/main/java/uk/gov/hmcts/reform/pip/model/subscription/ThirdPartySubscriptionArtefact.java
rename to src/main/java/uk/gov/hmcts/reform/pip/model/subscription/LegacyThirdPartySubscriptionArtefact.java
index 3608c06a..ec7dc4b0 100644
--- a/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/ThirdPartySubscriptionArtefact.java
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/subscription/LegacyThirdPartySubscriptionArtefact.java
@@ -11,7 +11,7 @@
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
-public class ThirdPartySubscriptionArtefact {
+public class LegacyThirdPartySubscriptionArtefact {
     @NotNull
     String apiDestination;
 
diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartyAction.java b/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartyAction.java
new file mode 100644
index 00000000..d4e406ae
--- /dev/null
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartyAction.java
@@ -0,0 +1,7 @@
+package uk.gov.hmcts.reform.pip.model.thirdparty;
+
+public enum ThirdPartyAction {
+    NEW_PUBLICATION,
+    UPDATE_PUBLICATION,
+    DELETE_PUBLICATION
+}
diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartyOauthConfiguration.java b/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartyOauthConfiguration.java
new file mode 100644
index 00000000..6311d577
--- /dev/null
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartyOauthConfiguration.java
@@ -0,0 +1,21 @@
+package uk.gov.hmcts.reform.pip.model.thirdparty;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.UUID;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class ThirdPartyOauthConfiguration {
+    private UUID userId;
+    private String destinationUrl;
+    private String tokenUrl;
+    private String clientIdKey;
+    private String clientSecretKey;
+    private String scopeKey;
+}
diff --git a/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartySubscription.java b/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartySubscription.java
new file mode 100644
index 00000000..218bc5eb
--- /dev/null
+++ b/src/main/java/uk/gov/hmcts/reform/pip/model/thirdparty/ThirdPartySubscription.java
@@ -0,0 +1,19 @@
+package uk.gov.hmcts.reform.pip.model.thirdparty;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class ThirdPartySubscription {
+    List<ThirdPartyOauthConfiguration> thirdPartyOauthConfigurationList;
+    UUID publicationId;
+    ThirdPartyAction thirdPartyAction;
+}