diff --git a/packages/embed/src/js/basic-kyc.js b/packages/embed/src/js/basic-kyc.js
index 8f1330b8..6181b7be 100644
--- a/packages/embed/src/js/basic-kyc.js
+++ b/packages/embed/src/js/basic-kyc.js
@@ -466,7 +466,10 @@ import { version as sdkVersion } from '../../package.json';
     EndUserConsent.addEventListener(
       'end-user-consent.denied',
       () => {
-        referenceWindow.postMessage('SmileIdentity::ConsentDenied', '*');
+        (referenceWindow.parent || referenceWindow).postMessage(
+          'SmileIdentity::ConsentDenied',
+          '*',
+        );
         closeWindow();
       },
       false,
@@ -475,7 +478,7 @@ import { version as sdkVersion } from '../../package.json';
     EndUserConsent.addEventListener(
       'end-user-consent.totp.denied.contact-methods-outdated',
       (event) => {
-        referenceWindow.postMessage(
+        (referenceWindow.parent || referenceWindow).postMessage(
           'SmileIdentity::ConsentDenied::TOTP::ContactMethodsOutdated',
           '*',
         );
diff --git a/packages/embed/src/js/biometric-kyc.js b/packages/embed/src/js/biometric-kyc.js
index 15e750a4..82337245 100644
--- a/packages/embed/src/js/biometric-kyc.js
+++ b/packages/embed/src/js/biometric-kyc.js
@@ -560,7 +560,10 @@ import { version as sdkVersion } from '../../package.json';
     EndUserConsent.addEventListener(
       'end-user-consent.denied',
       () => {
-        referenceWindow.postMessage('SmileIdentity::ConsentDenied', '*');
+        (referenceWindow.parent || referenceWindow).postMessage(
+          'SmileIdentity::ConsentDenied',
+          '*',
+        );
         closeWindow();
       },
       false,
diff --git a/packages/embed/src/js/ekyc.js b/packages/embed/src/js/ekyc.js
index 5810ce1f..b6d83d08 100644
--- a/packages/embed/src/js/ekyc.js
+++ b/packages/embed/src/js/ekyc.js
@@ -462,7 +462,10 @@ import { version as sdkVersion } from '../../package.json';
     EndUserConsent.addEventListener(
       'end-user-consent.denied',
       () => {
-        referenceWindow.postMessage('SmileIdentity::ConsentDenied', '*');
+        (referenceWindow.parent || referenceWindow).postMessage(
+          'SmileIdentity::ConsentDenied',
+          '*',
+        );
         closeWindow();
       },
       false,
diff --git a/packages/embed/src/js/product-selection.js b/packages/embed/src/js/product-selection.js
index 57334e9b..61bb180e 100644
--- a/packages/embed/src/js/product-selection.js
+++ b/packages/embed/src/js/product-selection.js
@@ -113,8 +113,8 @@
 
     if (!validIdType) {
       const legacyValidIdType =
-        legacyProductConstraints.doc_verification[country].id_types[id_type] ||
-        legacyProductConstraints.enhanced_kyc[country].id_types[id_type];
+        legacyProductConstraints.doc_verification[country]?.id_types[id_type] ||
+        legacyProductConstraints.enhanced_kyc[country]?.id_types[id_type];
       if (legacyValidIdType) {
         validIdType = {
           name: legacyValidIdType.label,