diff --git a/app/components/ResultLog/ResultLog.tsx b/app/components/ResultLog/ResultLog.tsx
index 933ab70..73230d1 100644
--- a/app/components/ResultLog/ResultLog.tsx
+++ b/app/components/ResultLog/ResultLog.tsx
@@ -18,6 +18,7 @@ export enum LogMessages {
   HasExpired = 'has expired',
   NoExpirationDate = 'no expiration date set',
   HasNotExpired = 'has not expired',
+  NotYetValid = 'is not yet valid',
   GeneralError = 'There was an error verifing this credential.',
   UnknownError = 'There was an unknown error verifing this credential.',
   WellFormed = 'is in a supported credential format',
@@ -130,8 +131,9 @@ export const ResultLog = ({ verificationResult }: ResultLogProps) => {
     const isMalformedError =
       result?.error?.message ===
       'Credential could not be checked for verification and may be malformed.';
+    const isNotYetValidError = result?.error?.message?.includes('will only be valid after');
     const { credential } = result;
-    if (shouldShowKnownError) {
+    if (shouldShowKnownError && !isNotYetValidError) {
       return (
         <div>
           <p data-testid={TestId.GeneralErrorMsg} className={styles.error}>{LogMessages.GeneralError}</p>
@@ -142,6 +144,12 @@ export const ResultLog = ({ verificationResult }: ResultLogProps) => {
           )}
         </div>
       )
+    } else if (isNotYetValidError) {
+      return (
+        <div>
+          <p data-testid={TestId.GeneralErrorMsg} className={styles.error}>{error?.message}</p>
+        </div>
+      )
     } else if (hasSigningError) {
       return (
         <div>
diff --git a/app/lib/validate.ts b/app/lib/validate.ts
index 892bcdc..7b447c9 100644
--- a/app/lib/validate.ts
+++ b/app/lib/validate.ts
@@ -1,6 +1,7 @@
 import * as verifierCore from '@digitalcredentials/verifier-core';
 import type { VerifiablePresentation } from '@/types/presentation.d';
 import type { VerifiableCredential, CredentialError } from '@/types/credential.d';
+import { getIssuanceDate } from './credentialValidityPeriod';
 //import { CredentialErrorTypes } from '@/types/credential.d';
 //import { KnownDidRegistries } from './../data/knownRegistries'
 
@@ -10,6 +11,7 @@ enum CredentialErrorTypes {
   IsNotVerified = 'Credential is not verified.',
   CouldNotBeVerified = 'Credential could not be checked for verification and may be malformed.',
   DidNotInRegistry = 'Could not find issuer in registry with given DID.',
+  NotYetValid = 'This credential is not yet valid.',
 }
 
 
@@ -59,6 +61,21 @@ export async function verifyCredential(credential: VerifiableCredential): Promis
       };
     */
 
+    // Check if credential is not yet valid before verification
+    const issuanceDate = getIssuanceDate(credential);
+    if (issuanceDate) {
+      const validFromDate = new Date(issuanceDate);
+      const now = new Date();
+      if (validFromDate > now) {
+        const formattedDate = validFromDate.toLocaleDateString('en-US', {
+          year: 'numeric',
+          month: 'long',
+          day: 'numeric'
+        });
+        return createNotYetValidResult(credential, `This credential will only be valid after ${formattedDate}.`);
+      }
+    }
+
       const response = await fetch("https://digitalcredentials.github.io/dcc-known-registries/known-did-registries.json");
       const knownDIDRegistries = await response.json();
 
@@ -144,6 +161,26 @@ function createFatalErrorResult(credential: VerifiableCredential, message: strin
   return result as VerifyResponse
 }
 
+function createNotYetValidResult(credential: VerifiableCredential, message: string): VerifyResponse {
+  const result = {
+    verified: false,
+    results: [
+      {
+        verified: false,
+        credential: credential,
+        log: [
+          { id: 'expiration', valid: false },
+          { id: 'valid_signature', valid: true },
+          { id: 'issuer_did_resolves', valid: true },
+          { id: 'revocation_status', valid: true }
+        ]
+      }
+    ]
+  }
+  addErrorToResult(result, message, false)
+  return result as VerifyResponse
+}
+
 function addErrorToResult(result: any, message: string, isFatal: boolean = true) {
   result.results[0].error =
   {