Index: grails-app/domain/com/lemans/ds/catalog/CatalogInstance.groovy
===================================================================
diff -u -rc3c96d3a8e487752b18608b2cfeb14a94081be61 -re73cbb9ae6fdf2bf0f8b9a944893e2c9e969aa8b
--- grails-app/domain/com/lemans/ds/catalog/CatalogInstance.groovy	(.../CatalogInstance.groovy)	(revision c3c96d3a8e487752b18608b2cfeb14a94081be61)
+++ grails-app/domain/com/lemans/ds/catalog/CatalogInstance.groovy	(.../CatalogInstance.groovy)	(revision e73cbb9ae6fdf2bf0f8b9a944893e2c9e969aa8b)
@@ -11,8 +11,8 @@
 //    String mainframeCatalogCode
         String flipBookUrl
         Integer year
-    //Integer source = 2
-    Integer sourceId = 2
+    Integer source = 2
+    //Integer sourceId = 2
 //    Integer primaryMediaId
 //    Date finalRetrievalDate
 //    Integer pageOffset
Index: grails-app/services/com/lemans/ds/catalog/CatalogInstanceManagerService.groovy
===================================================================
diff -u -rc3c96d3a8e487752b18608b2cfeb14a94081be61 -re73cbb9ae6fdf2bf0f8b9a944893e2c9e969aa8b
--- grails-app/services/com/lemans/ds/catalog/CatalogInstanceManagerService.groovy	(.../CatalogInstanceManagerService.groovy)	(revision c3c96d3a8e487752b18608b2cfeb14a94081be61)
+++ grails-app/services/com/lemans/ds/catalog/CatalogInstanceManagerService.groovy	(.../CatalogInstanceManagerService.groovy)	(revision e73cbb9ae6fdf2bf0f8b9a944893e2c9e969aa8b)
@@ -28,24 +28,31 @@
     CatalogInstance deleteCatalogInstance(Integer catalogInstanceId, String username) {
         CatalogInstance catalogInstance = CatalogInstance.findByIdAndDateDeletedIsNull(catalogInstanceId)
         if (catalogInstance) {
+            customValidateDelete(catalogInstance)
             softDelete(catalogInstance, username)
         }
         catalogInstance
     }
 
     private void customValidateCatalogInstance(CatalogInstance catalogInstance) {
-        if (catalogInstance.sourceId != 2) {
-            catalogInstance.errors.reject('catalogInstance.source', 'sourceId should be 2:DigitalServices')
+        if (catalogInstance.source != 2) {
+            catalogInstance.errors.reject('catalogInstance.source', 'source should be 2:DigitalServices')
         }
         if (CatalogInstance.findByInstanceNameAndDateDeletedIsNull(catalogInstance.instanceName)) {
             catalogInstance.errors.reject('catalogInstance.instanceName', 'instance name should be unique')
         }
     }
 
     private void customValidateUpdate(CatalogInstance catalogInstance) {
-        if (catalogInstance.sourceId != 2) {
-            catalogInstance.errors.reject('catalogInstance.source', 'sourceId should be 2:DigitalServices')
+        if (catalogInstance.source != 2) {
+            catalogInstance.errors.reject('catalogInstance.source', 'source should be 2:DigitalServices')
         }
     }
 
+    private void customValidateDelete(CatalogInstance catalogInstance) {
+        if (catalogInstance.source != 2) {
+            catalogInstance.errors.reject('catalogInstance.source', 'source that is not 2(DigitalServies) cannot be deleted')
+        }
+    }
+
 }
Index: src/integration-test/groovy/com/lemans/ds/catalogInstance/CatalogInstanceFuncSpec.groovy
===================================================================
diff -u -rc3c96d3a8e487752b18608b2cfeb14a94081be61 -re73cbb9ae6fdf2bf0f8b9a944893e2c9e969aa8b
--- src/integration-test/groovy/com/lemans/ds/catalogInstance/CatalogInstanceFuncSpec.groovy	(.../CatalogInstanceFuncSpec.groovy)	(revision c3c96d3a8e487752b18608b2cfeb14a94081be61)
+++ src/integration-test/groovy/com/lemans/ds/catalogInstance/CatalogInstanceFuncSpec.groovy	(.../CatalogInstanceFuncSpec.groovy)	(revision e73cbb9ae6fdf2bf0f8b9a944893e2c9e969aa8b)
@@ -40,9 +40,9 @@
         payload.results
     }
 
-    def 'can not create a catalogInstance with invalid sourceId'() {
+    def 'can not create a catalogInstance with invalid source'() {
         given:
-        Map input = [marketingName: marketingName, sourceId: 1, catalogId: 1]
+        Map input = [marketingName: marketingName, source: 1, catalogId: 1]
         path()
         invalid()
 
@@ -51,7 +51,7 @@
 
         then:
         payload.messages[0].type == 'error'
-        payload.messages[0].text == 'sourceId should be 2:DigitalServices'
+        payload.messages[0].text == 'source should be 2:DigitalServices'
     }
 
     def 'can create a catalogInstance'() {
@@ -67,7 +67,7 @@
         then:
         payload
         payload.results.marketingName == marketingName
-        payload.results.sourceId == 2
+        payload.results.source == 2
     }
 
     def 'can not update catalogName'() {
@@ -83,9 +83,9 @@
         payload
     }
 
-    def 'can not update sourceId'() {
+    def 'can not update source'() {
         given:
-        Map input = [sourceId: 1]
+        Map input = [source: 1]
         path("$catalogInstanceId")
         invalid()