diff --git a/Corona-Warn-App/src/main/res/values-bg/green_certificate_strings.xml b/Corona-Warn-App/src/main/res/values-bg/green_certificate_strings.xml
index fa89d6092649084bd11e75f81ffd1d159ab31e15..def0501b91efd32c99fbf747bdf7803096035225 100644
--- a/Corona-Warn-App/src/main/res/values-bg/green_certificate_strings.xml
+++ b/Corona-Warn-App/src/main/res/values-bg/green_certificate_strings.xml
@@ -21,10 +21,10 @@
     <string name="request_gc_dialog_title">"Отмяна на регистрация"</string>
     <!-- XTXT: Request green certificate exit dialog message -->
     <string name="request_gc_dialog_message">"Ако отмените регистрацията на теста, няма да може да получите резултата от него в приложението."</string>
+    <!-- XBUT: Request green certificate exit dialog positive button -->
+    <string name="request_gc_dialog_positive_button">"Отказвам се от регистрацията"</string>
     <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_positive_button">"ОК"</string>
-    <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_negative_button">"Отказ"</string>
+    <string name="request_gc_dialog_negative_button">"Продължавам с регистрацията"</string>
     <!-- XTXT: Detail green certificate title -->
     <string name="detail_green_certificate_title">"Цифров COVID сертификат на ЕС за тестване"</string>
     <!-- XTXT: Detail green certificate test type -->
@@ -99,4 +99,8 @@
     <string name="test_certificate_error_label_refreshing">"Вашият сертификат се създава..."</string>
     <!-- XTXT: Test error card body refreshing -->
     <string name="test_certificate_error_refreshing_status">"Вашият сертификат се заявява. Това може да отнеме няколко минути..."</string>
+    <!-- XBUT: Text for invalid test certificate error button, linking to FAQ-->
+    <string name="test_certificate_error_invalid_labid_faq">"ЧЗВ за сертификати за извършен тест"</string>
+    <!-- XTXT: Explains user about test certificate: URL, has to be "translated" into english (relevant for all languages except german) - https://www.coronawarn.app/en/faq/#vac_cert_invalid -->
+    <string name="test_certificate_error_invalid_labid_faq_link">"https://www.coronawarn.app/en/faq/#test_cert"</string>
 </resources>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/values-en/green_certificate_strings.xml b/Corona-Warn-App/src/main/res/values-en/green_certificate_strings.xml
index f0daa94caf21542f19635794aae920a0adea4add..b4756ec65e0feffb7d447d7ec4b59e6d53eed562 100644
--- a/Corona-Warn-App/src/main/res/values-en/green_certificate_strings.xml
+++ b/Corona-Warn-App/src/main/res/values-en/green_certificate_strings.xml
@@ -21,10 +21,10 @@
     <string name="request_gc_dialog_title">"Cancel Registration"</string>
     <!-- XTXT: Request green certificate exit dialog message -->
     <string name="request_gc_dialog_message">"If you cancel the test registration, you cannot receive your test result in the app."</string>
+    <!-- XBUT: Request green certificate exit dialog positive button -->
+    <string name="request_gc_dialog_positive_button">"Cancel Registration"</string>
     <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_positive_button">"OK"</string>
-    <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_negative_button">"Cancel"</string>
+    <string name="request_gc_dialog_negative_button">"Continue Registration"</string>
     <!-- XTXT: Detail green certificate title -->
     <string name="detail_green_certificate_title">"EU Digital COVID Test Certificate"</string>
     <!-- XTXT: Detail green certificate test type -->
@@ -99,4 +99,8 @@
     <string name="test_certificate_error_label_refreshing">"Your certificate is being created..."</string>
     <!-- XTXT: Test error card body refreshing -->
     <string name="test_certificate_error_refreshing_status">"Your certificate is being requested. This may take a few minutes..."</string>
+    <!-- XBUT: Text for invalid test certificate error button, linking to FAQ-->
+    <string name="test_certificate_error_invalid_labid_faq">"FAQ for Test Certificates"</string>
+    <!-- XTXT: Explains user about test certificate: URL, has to be "translated" into english (relevant for all languages except german) - https://www.coronawarn.app/en/faq/#vac_cert_invalid -->
+    <string name="test_certificate_error_invalid_labid_faq_link">"https://www.coronawarn.app/en/faq/#test_cert"</string>
 </resources>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/values-pl/green_certificate_strings.xml b/Corona-Warn-App/src/main/res/values-pl/green_certificate_strings.xml
index 1c42258b5bd01afb2a222eb2d78d5eabc754be71..f602b6c69c8bac0284c7c1f268e09f836dcdde7f 100644
--- a/Corona-Warn-App/src/main/res/values-pl/green_certificate_strings.xml
+++ b/Corona-Warn-App/src/main/res/values-pl/green_certificate_strings.xml
@@ -21,10 +21,10 @@
     <string name="request_gc_dialog_title">"Anuluj rejestracjÄ™"</string>
     <!-- XTXT: Request green certificate exit dialog message -->
     <string name="request_gc_dialog_message">"Anulowanie rejestracji testu uniemożliwi otrzymanie wyniku testu w aplikacji."</string>
+    <!-- XBUT: Request green certificate exit dialog positive button -->
+    <string name="request_gc_dialog_positive_button">"Anuluj rejestracjÄ™"</string>
     <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_positive_button">"OK"</string>
-    <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_negative_button">"Anuluj"</string>
+    <string name="request_gc_dialog_negative_button">"Kontynuuj rejestracjÄ™"</string>
     <!-- XTXT: Detail green certificate title -->
     <string name="detail_green_certificate_title">"Unijny cyfrowy certyfikat testu na COVID"</string>
     <!-- XTXT: Detail green certificate test type -->
@@ -99,4 +99,8 @@
     <string name="test_certificate_error_label_refreshing">"Certyfikat jest tworzony..."</string>
     <!-- XTXT: Test error card body refreshing -->
     <string name="test_certificate_error_refreshing_status">"Żądanie dotyczące certyfikatu jest przetwarzane. Może to potrwać kilka minut..."</string>
+    <!-- XBUT: Text for invalid test certificate error button, linking to FAQ-->
+    <string name="test_certificate_error_invalid_labid_faq">"Często zadawane pytania na temat certyfikatów testów"</string>
+    <!-- XTXT: Explains user about test certificate: URL, has to be "translated" into english (relevant for all languages except german) - https://www.coronawarn.app/en/faq/#vac_cert_invalid -->
+    <string name="test_certificate_error_invalid_labid_faq_link">"https://www.coronawarn.app/en/faq/#test_cert"</string>
 </resources>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/values-ro/green_certificate_strings.xml b/Corona-Warn-App/src/main/res/values-ro/green_certificate_strings.xml
index ac9cc94ace505c368451612aa96704a73282b1f4..6c13688641471e90d1b77b856856cdeeb7dd89ff 100644
--- a/Corona-Warn-App/src/main/res/values-ro/green_certificate_strings.xml
+++ b/Corona-Warn-App/src/main/res/values-ro/green_certificate_strings.xml
@@ -21,10 +21,10 @@
     <string name="request_gc_dialog_title">"Anulare înregistrare"</string>
     <!-- XTXT: Request green certificate exit dialog message -->
     <string name="request_gc_dialog_message">"Dacă anulați înregistrarea testului, nu puteți primi rezultatul testului dvs. în aplicație."</string>
+    <!-- XBUT: Request green certificate exit dialog positive button -->
+    <string name="request_gc_dialog_positive_button">"Anulare înregistrare"</string>
     <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_positive_button">"OK"</string>
-    <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_negative_button">"Anulare"</string>
+    <string name="request_gc_dialog_negative_button">"Continuare înregistrare"</string>
     <!-- XTXT: Detail green certificate title -->
     <string name="detail_green_certificate_title">"Certificat de test COVID digital UE"</string>
     <!-- XTXT: Detail green certificate test type -->
@@ -99,4 +99,8 @@
     <string name="test_certificate_error_label_refreshing">"Certificatul dvs. este în curs de creare..."</string>
     <!-- XTXT: Test error card body refreshing -->
     <string name="test_certificate_error_refreshing_status">"Certificatul dvs. este în curs de solicitare. Acest lucru poate dura câteva minute..."</string>
+    <!-- XBUT: Text for invalid test certificate error button, linking to FAQ-->
+    <string name="test_certificate_error_invalid_labid_faq">"Întrebări frecvente privind certificatele de test"</string>
+    <!-- XTXT: Explains user about test certificate: URL, has to be "translated" into english (relevant for all languages except german) - https://www.coronawarn.app/en/faq/#vac_cert_invalid -->
+    <string name="test_certificate_error_invalid_labid_faq_link">"https://www.coronawarn.app/en/faq/#test_cert"</string>
 </resources>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/values-tr/green_certificate_strings.xml b/Corona-Warn-App/src/main/res/values-tr/green_certificate_strings.xml
index 2fdfd113ef26b3330a2f44859b3bd25faa9f0bc0..5d4c623aacbc8b447abf12a94a8a6faf8a1ee6f7 100644
--- a/Corona-Warn-App/src/main/res/values-tr/green_certificate_strings.xml
+++ b/Corona-Warn-App/src/main/res/values-tr/green_certificate_strings.xml
@@ -21,10 +21,10 @@
     <string name="request_gc_dialog_title">"Kaydı İptal Et"</string>
     <!-- XTXT: Request green certificate exit dialog message -->
     <string name="request_gc_dialog_message">"Test kaydını iptal ederseniz test sonucunuzu uygulamaya alamazsınız."</string>
+    <!-- XBUT: Request green certificate exit dialog positive button -->
+    <string name="request_gc_dialog_positive_button">"Kaydı İptal Et"</string>
     <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_positive_button">"Tamam"</string>
-    <!-- XBUT: Request green certificate exit dialog negative button -->
-    <string name="request_gc_dialog_negative_button">"Ä°ptal Et"</string>
+    <string name="request_gc_dialog_negative_button">"Kayda Devam Et"</string>
     <!-- XTXT: Detail green certificate title -->
     <string name="detail_green_certificate_title">"AB Dijital COVID Test Sertifikası"</string>
     <!-- XTXT: Detail green certificate test type -->
@@ -99,4 +99,8 @@
     <string name="test_certificate_error_label_refreshing">"Sertifikanız oluşturuluyor..."</string>
     <!-- XTXT: Test error card body refreshing -->
     <string name="test_certificate_error_refreshing_status">"Sertifikanız talep ediliyor. Bu işlem birkaç dakika sürebilir..."</string>
+    <!-- XBUT: Text for invalid test certificate error button, linking to FAQ-->
+    <string name="test_certificate_error_invalid_labid_faq">"Test Sertifikaları için SSS"</string>
+    <!-- XTXT: Explains user about test certificate: URL, has to be "translated" into english (relevant for all languages except german) - https://www.coronawarn.app/en/faq/#vac_cert_invalid -->
+    <string name="test_certificate_error_invalid_labid_faq_link">"https://www.coronawarn.app/en/faq/#test_cert"</string>
 </resources>
\ No newline at end of file