diff --git a/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/model/InternalConsentUpdateRequestDTO.java b/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/model/InternalConsentUpdateRequestDTO.java
index 6748d5d4e..5d29b6281 100644
--- a/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/model/InternalConsentUpdateRequestDTO.java
+++ b/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/model/InternalConsentUpdateRequestDTO.java
@@ -26,23 +26,14 @@
  */
 public class InternalConsentUpdateRequestDTO {
 
-    private String consentID;
     private String receipt;
     private String status;
-    private int consentFrequency;
-    private long validityPeriod;
-    private boolean recurringIndicator;
+    private Integer consentFrequency;
+    private Long validityPeriod;
+    private Boolean recurringIndicator;
     private Map<String, String> consentAttributes;
     private List<Authorization> authorizationResources;
 
-    public String getConsentID() {
-        return consentID;
-    }
-
-    public void setConsentID(String consentID) {
-        this.consentID = consentID;
-    }
-
     public String getReceipt() {
         return receipt;
     }
@@ -59,27 +50,27 @@ public void setStatus(String status) {
         this.status = status;
     }
 
-    public int getConsentFrequency() {
+    public Integer getConsentFrequency() {
         return consentFrequency;
     }
 
-    public void setConsentFrequency(int consentFrequency) {
+    public void setConsentFrequency(Integer consentFrequency) {
         this.consentFrequency = consentFrequency;
     }
 
-    public long getValidityPeriod() {
+    public Long getValidityPeriod() {
         return validityPeriod;
     }
 
-    public void setValidityPeriod(long validityPeriod) {
+    public void setValidityPeriod(Long validityPeriod) {
         this.validityPeriod = validityPeriod;
     }
 
-    public boolean isRecurringIndicator() {
+    public Boolean isRecurringIndicator() {
         return recurringIndicator;
     }
 
-    public void setRecurringIndicator(boolean recurringIndicator) {
+    public void setRecurringIndicator(Boolean recurringIndicator) {
         this.recurringIndicator = recurringIndicator;
     }
 
diff --git a/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/utils/ConsentManageUtils.java b/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/utils/ConsentManageUtils.java
index 6d7df0344..9aeb32658 100644
--- a/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/utils/ConsentManageUtils.java
+++ b/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/main/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/manage/utils/ConsentManageUtils.java
@@ -330,9 +330,24 @@ public static DetailedConsentResource constructDetailedConsentResourceFromUpdate
             InternalConsentUpdateRequestDTO updateRequestDTO =  objectMapper.readValue(requestPayload.toString(),
                     InternalConsentUpdateRequestDTO.class);
 
-            ArrayList<AuthorizationResource> authorizationResources = new ArrayList<>();
-            ArrayList<ConsentMappingResource> consentMappingResources = new ArrayList<>();
+            String receipt = updateRequestDTO.getReceipt() != null ? updateRequestDTO.getReceipt()
+                    : storedConsent.getReceipt();
+            String status = updateRequestDTO.getStatus() != null ? updateRequestDTO.getStatus()
+                    : storedConsent.getCurrentStatus();
+            int frequency = updateRequestDTO.getConsentFrequency() != null ?
+                    updateRequestDTO.getConsentFrequency() : storedConsent.getConsentFrequency();
+            long validityPeriod = updateRequestDTO.getValidityPeriod() != null ?
+                    updateRequestDTO.getValidityPeriod() : storedConsent.getValidityPeriod();
+            boolean recurringIndicator = updateRequestDTO.isRecurringIndicator() != null ?
+                    updateRequestDTO.isRecurringIndicator() : storedConsent.isRecurringIndicator();
+            Map<String, String> consentAttributes = updateRequestDTO.getConsentAttributes() != null ?
+                    updateRequestDTO.getConsentAttributes() : null;
+
+            ArrayList<AuthorizationResource> authorizationResources = null;
+            ArrayList<ConsentMappingResource> consentMappingResources = null;
             if (updateRequestDTO.getAuthorizationResources() != null) {
+                authorizationResources = new ArrayList<>();
+                consentMappingResources = new ArrayList<>();
                 for (InternalConsentUpdateRequestDTO.Authorization authorization:
                         updateRequestDTO.getAuthorizationResources()) {
                     String authId = authorization.getAuthorizationID() != null ? authorization.getAuthorizationID() :
@@ -354,19 +369,12 @@ public static DetailedConsentResource constructDetailedConsentResourceFromUpdate
                         }
                     }
                 }
-            } else {
-                // If the request doesn't contain authorization resources, use the existing authorization resources
-                // of the consent
-                authorizationResources = storedConsent.getAuthorizationResources();
-                consentMappingResources = storedConsent.getConsentMappingResources();
             }
 
-            return new DetailedConsentResource(consentId,
-                    storedConsent.getClientID(), updateRequestDTO.getReceipt(), storedConsent.getConsentType(),
-                    updateRequestDTO.getStatus(), updateRequestDTO.getConsentFrequency(),
-                    updateRequestDTO.getValidityPeriod(), storedConsent.getCreatedTime(), 0L,
-                    updateRequestDTO.isRecurringIndicator(), updateRequestDTO.getConsentAttributes(),
-                    authorizationResources, consentMappingResources);
+            return new DetailedConsentResource(consentId, storedConsent.getClientID(), receipt,
+                    storedConsent.getConsentType(), status, frequency, validityPeriod, storedConsent.getCreatedTime(),
+                    0L, recurringIndicator, consentAttributes, authorizationResources,
+                    consentMappingResources);
 
         } catch (JsonProcessingException e) {
             log.error(String.format("Failed to parse update consent request payload for consentId: %s. Error: %s",
diff --git a/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/test/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/util/TestConstants.java b/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/test/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/util/TestConstants.java
index cd8841793..9e597c274 100644
--- a/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/test/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/util/TestConstants.java
+++ b/financial-services-accelerator/components/org.wso2.financial.services.accelerator.consent.mgt.extensions/src/test/java/org/wso2/financial/services/accelerator/consent/mgt/extensions/util/TestConstants.java
@@ -619,7 +619,6 @@ public class TestConstants {
             "}";
 
     public static final String CONSENT_UPDATE_PAYLOAD = "{\n" +
-            "    \"consentID\": \"" + SAMPLE_CONSENT_ID + "\",\n" +
             "    \"status\": \"authorised\",\n" +
             "    \"validityPeriod\": 0,\n" +
             "    \"recurringIndicator\": true,\n" +