diff --git a/client/src/app/generated/civic.apollo-helpers.ts b/client/src/app/generated/civic.apollo-helpers.ts
index 925b87874..57fdf6be7 100644
--- a/client/src/app/generated/civic.apollo-helpers.ts
+++ b/client/src/app/generated/civic.apollo-helpers.ts
@@ -46,7 +46,7 @@ export type AdvancedSearchResultFieldPolicy = {
 	resultIds?: FieldPolicy<any> | FieldReadFunction<any>,
 	searchEndpoint?: FieldPolicy<any> | FieldReadFunction<any>
 };
-export type AssertionKeySpecifier = ('acceptanceEvent' | 'acmgCodes' | 'ampLevel' | 'assertionDirection' | 'assertionType' | 'clingenCodes' | 'clinicalSignificance' | 'comments' | 'description' | 'disease' | 'drugInteractionType' | 'drugs' | 'events' | 'evidenceItems' | 'evidenceItemsCount' | 'fdaCompanionTest' | 'fdaCompanionTestLastUpdated' | 'flagged' | 'flags' | 'id' | 'lastAcceptedRevisionEvent' | 'lastCommentEvent' | 'lastSubmittedRevisionEvent' | 'link' | 'molecularProfile' | 'name' | 'nccnGuideline' | 'nccnGuidelineVersion' | 'phenotypes' | 'regulatoryApproval' | 'regulatoryApprovalLastUpdated' | 'rejectionEvent' | 'revisions' | 'status' | 'submissionEvent' | 'summary' | 'variantOrigin' | AssertionKeySpecifier)[];
+export type AssertionKeySpecifier = ('acceptanceEvent' | 'acmgCodes' | 'ampLevel' | 'assertionDirection' | 'assertionType' | 'clingenCodes' | 'clinicalSignificance' | 'comments' | 'description' | 'disease' | 'drugInteractionType' | 'drugs' | 'events' | 'evidenceItems' | 'evidenceItemsCount' | 'fdaCompanionTest' | 'fdaCompanionTestLastUpdated' | 'flagged' | 'flags' | 'id' | 'lastAcceptedRevisionEvent' | 'lastCommentEvent' | 'lastSubmittedRevisionEvent' | 'link' | 'molecularProfile' | 'name' | 'nccnGuideline' | 'nccnGuidelineVersion' | 'phenotypes' | 'regulatoryApproval' | 'regulatoryApprovalLastUpdated' | 'rejectionEvent' | 'revisions' | 'status' | 'submissionEvent' | 'summary' | 'valid' | 'validationErrors' | 'variantOrigin' | AssertionKeySpecifier)[];
 export type AssertionFieldPolicy = {
 	acceptanceEvent?: FieldPolicy<any> | FieldReadFunction<any>,
 	acmgCodes?: FieldPolicy<any> | FieldReadFunction<any>,
@@ -84,6 +84,8 @@ export type AssertionFieldPolicy = {
 	status?: FieldPolicy<any> | FieldReadFunction<any>,
 	submissionEvent?: FieldPolicy<any> | FieldReadFunction<any>,
 	summary?: FieldPolicy<any> | FieldReadFunction<any>,
+	valid?: FieldPolicy<any> | FieldReadFunction<any>,
+	validationErrors?: FieldPolicy<any> | FieldReadFunction<any>,
 	variantOrigin?: FieldPolicy<any> | FieldReadFunction<any>
 };
 export type AssertionConnectionKeySpecifier = ('edges' | 'nodes' | 'pageCount' | 'pageInfo' | 'totalCount' | AssertionConnectionKeySpecifier)[];
@@ -603,7 +605,7 @@ export type EventSubjectWithCountFieldPolicy = {
 	occuranceCount?: FieldPolicy<any> | FieldReadFunction<any>,
 	subject?: FieldPolicy<any> | FieldReadFunction<any>
 };
-export type EvidenceItemKeySpecifier = ('acceptanceEvent' | 'assertions' | 'clinicalSignificance' | 'comments' | 'description' | 'disease' | 'drugInteractionType' | 'drugs' | 'events' | 'evidenceDirection' | 'evidenceLevel' | 'evidenceRating' | 'evidenceType' | 'flagged' | 'flags' | 'id' | 'lastAcceptedRevisionEvent' | 'lastCommentEvent' | 'lastSubmittedRevisionEvent' | 'link' | 'molecularProfile' | 'name' | 'phenotypes' | 'rejectionEvent' | 'revisions' | 'source' | 'status' | 'submissionEvent' | 'variant' | 'variantHgvs' | 'variantOrigin' | EvidenceItemKeySpecifier)[];
+export type EvidenceItemKeySpecifier = ('acceptanceEvent' | 'assertions' | 'clinicalSignificance' | 'comments' | 'description' | 'disease' | 'drugInteractionType' | 'drugs' | 'events' | 'evidenceDirection' | 'evidenceLevel' | 'evidenceRating' | 'evidenceType' | 'flagged' | 'flags' | 'id' | 'lastAcceptedRevisionEvent' | 'lastCommentEvent' | 'lastSubmittedRevisionEvent' | 'link' | 'molecularProfile' | 'name' | 'phenotypes' | 'rejectionEvent' | 'revisions' | 'source' | 'status' | 'submissionEvent' | 'valid' | 'validationErrors' | 'variant' | 'variantHgvs' | 'variantOrigin' | EvidenceItemKeySpecifier)[];
 export type EvidenceItemFieldPolicy = {
 	acceptanceEvent?: FieldPolicy<any> | FieldReadFunction<any>,
 	assertions?: FieldPolicy<any> | FieldReadFunction<any>,
@@ -633,6 +635,8 @@ export type EvidenceItemFieldPolicy = {
 	source?: FieldPolicy<any> | FieldReadFunction<any>,
 	status?: FieldPolicy<any> | FieldReadFunction<any>,
 	submissionEvent?: FieldPolicy<any> | FieldReadFunction<any>,
+	valid?: FieldPolicy<any> | FieldReadFunction<any>,
+	validationErrors?: FieldPolicy<any> | FieldReadFunction<any>,
 	variant?: FieldPolicy<any> | FieldReadFunction<any>,
 	variantHgvs?: FieldPolicy<any> | FieldReadFunction<any>,
 	variantOrigin?: FieldPolicy<any> | FieldReadFunction<any>
diff --git a/client/src/app/generated/civic.apollo.ts b/client/src/app/generated/civic.apollo.ts
index 3a65dea30..2895861b4 100644
--- a/client/src/app/generated/civic.apollo.ts
+++ b/client/src/app/generated/civic.apollo.ts
@@ -234,6 +234,8 @@ export type Assertion = Commentable & EventOriginObject & EventSubject & Flaggab
   status: EvidenceStatus;
   submissionEvent: Event;
   summary: Scalars['String'];
+  valid: Scalars['Boolean'];
+  validationErrors: Array<FieldValidationError>;
   variantOrigin: VariantOrigin;
 };
 
@@ -1448,6 +1450,8 @@ export type EvidenceItem = Commentable & EventOriginObject & EventSubject & Flag
   source: Source;
   status: EvidenceStatus;
   submissionEvent: Event;
+  valid: Scalars['Boolean'];
+  validationErrors: Array<FieldValidationError>;
   variant: Variant;
   variantHgvs: Scalars['String'];
   variantOrigin: VariantOrigin;
@@ -6103,9 +6107,9 @@ export type AssertionDetailQueryVariables = Exact<{
 }>;
 
 
-export type AssertionDetailQuery = { __typename: 'Query', assertion?: { __typename: 'Assertion', id: number, name: string, status: EvidenceStatus, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } } | undefined };
+export type AssertionDetailQuery = { __typename: 'Query', assertion?: { __typename: 'Assertion', id: number, name: string, status: EvidenceStatus, valid: boolean, validationErrors: Array<{ __typename: 'FieldValidationError', fieldName: string, error: string }>, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } } | undefined };
 
-export type AssertionDetailFieldsFragment = { __typename: 'Assertion', id: number, name: string, status: EvidenceStatus, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } };
+export type AssertionDetailFieldsFragment = { __typename: 'Assertion', id: number, name: string, status: EvidenceStatus, valid: boolean, validationErrors: Array<{ __typename: 'FieldValidationError', fieldName: string, error: string }>, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } };
 
 export type AssertionSummaryQueryVariables = Exact<{
   assertionId: Scalars['Int'];
@@ -6167,9 +6171,9 @@ export type EvidenceDetailQueryVariables = Exact<{
 }>;
 
 
-export type EvidenceDetailQuery = { __typename: 'Query', evidenceItem?: { __typename: 'EvidenceItem', id: number, name: string, status: EvidenceStatus, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, assertions: Array<{ __typename: 'Assertion', id: number, name: string, link: string }>, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } } | undefined };
+export type EvidenceDetailQuery = { __typename: 'Query', evidenceItem?: { __typename: 'EvidenceItem', id: number, name: string, status: EvidenceStatus, valid: boolean, validationErrors: Array<{ __typename: 'FieldValidationError', fieldName: string, error: string }>, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, assertions: Array<{ __typename: 'Assertion', id: number, name: string, link: string }>, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } } | undefined };
 
-export type EvidenceDetailFieldsFragment = { __typename: 'EvidenceItem', id: number, name: string, status: EvidenceStatus, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, assertions: Array<{ __typename: 'Assertion', id: number, name: string, link: string }>, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } };
+export type EvidenceDetailFieldsFragment = { __typename: 'EvidenceItem', id: number, name: string, status: EvidenceStatus, valid: boolean, validationErrors: Array<{ __typename: 'FieldValidationError', fieldName: string, error: string }>, submissionEvent: { __typename: 'Event', originatingUser: { __typename: 'User', id: number } }, molecularProfile: { __typename: 'MolecularProfile', id: number, name: string, link: string }, assertions: Array<{ __typename: 'Assertion', id: number, name: string, link: string }>, flags: { __typename: 'FlagConnection', totalCount: number }, revisions: { __typename: 'RevisionConnection', totalCount: number }, comments: { __typename: 'CommentConnection', totalCount: number } };
 
 export type EvidenceSummaryQueryVariables = Exact<{
   evidenceId: Scalars['Int'];
@@ -7803,6 +7807,11 @@ export const AssertionDetailFieldsFragmentDoc = gql`
   id
   name
   status
+  valid
+  validationErrors {
+    fieldName
+    error
+  }
   submissionEvent {
     originatingUser {
       id
@@ -7943,6 +7952,11 @@ export const EvidenceDetailFieldsFragmentDoc = gql`
   id
   name
   status
+  valid
+  validationErrors {
+    fieldName
+    error
+  }
   submissionEvent {
     originatingUser {
       id
diff --git a/client/src/app/generated/server.model.graphql b/client/src/app/generated/server.model.graphql
index 57c1cab30..eb7cf1c9c 100644
--- a/client/src/app/generated/server.model.graphql
+++ b/client/src/app/generated/server.model.graphql
@@ -498,6 +498,8 @@ type Assertion implements Commentable & EventOriginObject & EventSubject & Flagg
   status: EvidenceStatus!
   submissionEvent: Event!
   summary: String!
+  valid: Boolean!
+  validationErrors: [FieldValidationError!]!
   variantOrigin: VariantOrigin!
 }
 
@@ -2384,6 +2386,8 @@ type EvidenceItem implements Commentable & EventOriginObject & EventSubject & Fl
   source: Source!
   status: EvidenceStatus!
   submissionEvent: Event!
+  valid: Boolean!
+  validationErrors: [FieldValidationError!]!
   variant: Variant!
   variantHgvs: String!
   variantOrigin: VariantOrigin!
diff --git a/client/src/app/generated/server.schema.json b/client/src/app/generated/server.schema.json
index 5c9d837cd..f1ec58a6c 100644
--- a/client/src/app/generated/server.schema.json
+++ b/client/src/app/generated/server.schema.json
@@ -1886,6 +1886,46 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "valid",
+              "description": null,
+              "args": [],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "Boolean",
+                  "ofType": null
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "validationErrors",
+              "description": null,
+              "args": [],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "LIST",
+                  "name": null,
+                  "ofType": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "OBJECT",
+                      "name": "FieldValidationError",
+                      "ofType": null
+                    }
+                  }
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "variantOrigin",
               "description": null,
@@ -11443,6 +11483,46 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "valid",
+              "description": null,
+              "args": [],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "Boolean",
+                  "ofType": null
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "validationErrors",
+              "description": null,
+              "args": [],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "LIST",
+                  "name": null,
+                  "ofType": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "OBJECT",
+                      "name": "FieldValidationError",
+                      "ofType": null
+                    }
+                  }
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "variant",
               "description": null,
diff --git a/client/src/app/views/assertions/assertions-detail/assertions-detail.query.gql b/client/src/app/views/assertions/assertions-detail/assertions-detail.query.gql
index 9819707c4..fa4424df2 100644
--- a/client/src/app/views/assertions/assertions-detail/assertions-detail.query.gql
+++ b/client/src/app/views/assertions/assertions-detail/assertions-detail.query.gql
@@ -7,26 +7,31 @@ query AssertionDetail(
 }
 
 fragment AssertionDetailFields on Assertion {
-    id
-    name
-    status
-    submissionEvent {
-      originatingUser {
-        id
-      }
-    }
-    molecularProfile {
+  id
+  name
+  status
+  valid
+  validationErrors {
+    fieldName
+    error
+  }
+  submissionEvent {
+    originatingUser {
       id
-      name
-      link
-    }
-    flags(state: OPEN) {
-      totalCount
-    }
-    revisions(status: NEW) {
-      totalCount
-    }
-    comments {
-      totalCount
     }
+  }
+  molecularProfile {
+    id
+    name
+    link
+  }
+  flags(state: OPEN) {
+    totalCount
+  }
+  revisions(status: NEW) {
+    totalCount
+  }
+  comments {
+    totalCount
+  }
 } 
\ No newline at end of file
diff --git a/client/src/app/views/assertions/assertions-detail/assertions-detail.view.html b/client/src/app/views/assertions/assertions-detail/assertions-detail.view.html
index 3a74b127f..46ec778c8 100644
--- a/client/src/app/views/assertions/assertions-detail/assertions-detail.view.html
+++ b/client/src/app/views/assertions/assertions-detail/assertions-detail.view.html
@@ -105,6 +105,18 @@
           nzMessage="This Assertion has been rejected."
           nzType="error">
         </nz-alert>
+        <nz-alert *ngIf="!this.assertion.valid"
+          nzBanner
+          [nzMessage]="validationErrorTpl"
+          nzType="warning">
+        </nz-alert>
+        <ng-template #validationErrorTpl>
+          This Assertion is in an invalid state.
+          <br/>
+          <span nzTypographq *ngFor="let error of this.assertion.validationErrors">
+            <strong>Field</strong>: {{error.fieldName}}. <strong>Error</strong>: {{error.error}}<br/>
+          </span>
+        </ng-template>
         <cvc-tab-navigation [tabs]="this.tabs$ | ngrxPush">
           <ng-template #tabBarExtraContent>
             <nz-col id="contributors-col">
diff --git a/client/src/app/views/evidence/evidence-detail/evidence-detail.query.gql b/client/src/app/views/evidence/evidence-detail/evidence-detail.query.gql
index 902b70d20..3ce3b566c 100644
--- a/client/src/app/views/evidence/evidence-detail/evidence-detail.query.gql
+++ b/client/src/app/views/evidence/evidence-detail/evidence-detail.query.gql
@@ -8,6 +8,11 @@ fragment EvidenceDetailFields on EvidenceItem {
   id
   name
   status
+  valid
+  validationErrors {
+    fieldName
+    error
+  }
   submissionEvent {
     originatingUser {
       id
diff --git a/client/src/app/views/evidence/evidence-detail/evidence-detail.view.html b/client/src/app/views/evidence/evidence-detail/evidence-detail.view.html
index c0ea2f5d8..80dfa04c4 100644
--- a/client/src/app/views/evidence/evidence-detail/evidence-detail.view.html
+++ b/client/src/app/views/evidence/evidence-detail/evidence-detail.view.html
@@ -100,6 +100,18 @@
           nzMessage="This Evidence Item has been rejected."
           nzType="error">
         </nz-alert>
+        <nz-alert *ngIf="!this.evidence.valid"
+          nzBanner
+          [nzMessage]="validationErrorTpl"
+          nzType="warning">
+        </nz-alert>
+        <ng-template #validationErrorTpl>
+          This Evidence Item is in an invalid state.
+          <br/>
+          <span nzTypographq *ngFor="let error of this.evidence.validationErrors">
+            <strong>Field</strong>: {{error.fieldName}}. <strong>Error</strong>: {{error.error}}<br/>
+          </span>
+        </ng-template>
         <cvc-tab-navigation [tabs]="this.tabs$ | ngrxPush">
           <ng-template #tabBarExtraContent>
             <nz-col id="contributors-col">
diff --git a/server/app/graphql/types/entities/assertion_type.rb b/server/app/graphql/types/entities/assertion_type.rb
index fc2385f21..455cc4ea3 100644
--- a/server/app/graphql/types/entities/assertion_type.rb
+++ b/server/app/graphql/types/entities/assertion_type.rb
@@ -8,6 +8,8 @@ class AssertionType < Types::BaseObject
     implements Types::Interfaces::EventOriginObject
 
     field :id, Int, null: false
+    field :valid, Boolean, null: false
+    field :validation_errors, [Types::FieldValidationErrorType], null: false
     field :name, String, null: false
     field :molecular_profile, Types::Entities::MolecularProfileType, null: false
     field :clinical_significance, Types::AssertionClinicalSignificanceType, null: false
@@ -36,6 +38,27 @@ class AssertionType < Types::BaseObject
     field :evidence_items, [Types::Entities::EvidenceItemType], null: false
     field :evidence_items_count, Integer, null: false
 
+    def valid
+      object.valid?
+    end
+
+    def validation_errors
+      if !object.valid?
+        object.errors.map do |attribute, message|
+          attribute = attribute.to_s
+          if attribute.ends_with?("_ids")
+            formatted_attribute = attribute.singularize.humanize.pluralize
+          else
+            formatted_attribute = attribute.humanize
+          end
+          { 'field_name': formatted_attribute, 'error':  message }
+        end
+      else
+        []
+      end
+    end
+
+
     def disease
       Loaders::RecordLoader.for(Disease).load(object.disease_id)
     end
diff --git a/server/app/graphql/types/entities/evidence_item_type.rb b/server/app/graphql/types/entities/evidence_item_type.rb
index e060634e6..b29809b0f 100644
--- a/server/app/graphql/types/entities/evidence_item_type.rb
+++ b/server/app/graphql/types/entities/evidence_item_type.rb
@@ -8,6 +8,8 @@ class EvidenceItemType < Types::BaseObject
     implements Types::Interfaces::EventOriginObject
 
     field :id, Int, null: false
+    field :valid, Boolean, null: false
+    field :validation_errors, [Types::FieldValidationErrorType], null: false
     field :name, String, null: false
     field :molecular_profile, Types::Entities::MolecularProfileType, null: false
     field :clinical_significance, Types::EvidenceClinicalSignificanceType, null: false
@@ -31,6 +33,26 @@ class EvidenceItemType < Types::BaseObject
     field :rejection_event, Types::Entities::EventType, null: true
     field :assertions, [Types::Entities::AssertionType], null: false
 
+    def valid
+      object.valid?
+    end
+
+    def validation_errors
+      if !object.valid?
+        object.errors.map do |attribute, message|
+          attribute = attribute.to_s
+          if attribute.ends_with?("_ids")
+            formatted_attribute = attribute.singularize.humanize.pluralize
+          else
+            formatted_attribute = attribute.humanize
+          end
+          { 'field_name': formatted_attribute, 'error':  message }
+        end
+      else
+        []
+      end
+    end
+
     def disease
       Loaders::RecordLoader.for(Disease).load(object.disease_id)
     end