diff --git a/auth-schema.json b/auth-schema.json
index 22ca3c9..3e12ccd 100644
--- a/auth-schema.json
+++ b/auth-schema.json
@@ -335,6 +335,9 @@
             },
             "auth_form_error_org_not_accepting_registrations": {
               "type": "string"
+            },
+            "kp_usr_marketing_opt_in": {
+              "type": "string"
             }
           },
           "required": [
@@ -366,7 +369,8 @@
             "disclaimer_dialog_description",
             "auth_form_error_terms_not_accepted",
             "auth_form_error_no_auth_methods_enabled",
-            "auth_form_error_org_not_accepting_registrations"
+            "auth_form_error_org_not_accepting_registrations",
+            "kp_usr_marketing_opt_in"
           ]
         },
         "choose_mfa_method_page": {
@@ -1116,6 +1120,9 @@
             "invitation_email_mismatch": {
               "type": "string"
             },
+            "email_domain_not_allowed": {
+              "type": "string"
+            },
             "invitation_expired": {
               "type": "string"
             },
@@ -1132,6 +1139,7 @@
             "no_organization_access",
             "operation_not_permitted",
             "invitation_email_mismatch",
+            "email_domain_not_allowed",
             "invitation_expired",
             "user_suspended",
             "unknown_error"
diff --git a/en-AU/auth.json b/en-AU/auth.json
index c04429e..eea049f 100644
--- a/en-AU/auth.json
+++ b/en-AU/auth.json
@@ -92,7 +92,8 @@
       "disclaimer_dialog_description": "To continue signing up, we need you to read and accept our policies",
       "auth_form_error_terms_not_accepted": "You must read and accept the policies to continue",
       "auth_form_error_no_auth_methods_enabled": "Sorry, we don't see a way to authenticate you at the moment.",
-      "auth_form_error_org_not_accepting_registrations": "The specified organisation is not accepting registrations"
+      "auth_form_error_org_not_accepting_registrations": "The specified organisation is not accepting registrations",
+      "kp_usr_marketing_opt_in": "Yes. Send me offers."
     },
     "choose_mfa_method_page": {
       "page_title": "Choose MFA option | ${business_name}",
@@ -288,7 +289,8 @@
       "no_organization_access": "Sorry, you do not have access to this organization.",
       "operation_not_permitted": "The requested action could not be completed.",
       "invitation_email_mismatch": "That email address doesn’t seem quite right. You’ll need to sign in using the email address the invitation was sent to.",
-      "invitation_expired": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "email_domain_not_allowed": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "invitation_expired": "Looks like you waited a bit long to accept and your invitation expired. Ask your admin to invite you again.",
       "user_suspended": "You cannot sign in at the moment",
       "unknown_error": "Something went wrong when we tried to authenticate you, and we can’t offer a quick way out. Start a new session and try signing in again."
     },
diff --git a/en-GB/auth.json b/en-GB/auth.json
index 65ce5ff..3e04f7c 100644
--- a/en-GB/auth.json
+++ b/en-GB/auth.json
@@ -92,7 +92,8 @@
       "disclaimer_dialog_description": "To continue signing up, we need you to read and accept our policies",
       "auth_form_error_terms_not_accepted": "You must read and accept the policies to continue",
       "auth_form_error_no_auth_methods_enabled": "Sorry, we don't see a way to authenticate you at the moment.",
-      "auth_form_error_org_not_accepting_registrations": "The specified organisation is not accepting registrations"
+      "auth_form_error_org_not_accepting_registrations": "The specified organisation is not accepting registrations",
+      "kp_usr_marketing_opt_in": "Yes. Send me offers."
     },
     "choose_mfa_method_page": {
       "page_title": "Choose MFA option | ${business_name}",
@@ -288,7 +289,8 @@
       "no_organization_access": "Sorry, you do not have access to this organisation.",
       "operation_not_permitted": "The requested action could not be completed.",
       "invitation_email_mismatch": "That email address doesn’t seem quite right. You’ll need to sign in using the email address the invitation was sent to.",
-      "invitation_expired": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "email_domain_not_allowed": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "invitation_expired": "Looks like you waited a bit long to accept and your invitation expired. Ask your admin to invite you again.",
       "user_suspended": "You cannot sign in at the moment",
       "unknown_error": "Something went wrong when we tried to authenticate you, and we can’t offer a quick way out. Start a new session and try signing in again."
     },
diff --git a/en-US/auth.json b/en-US/auth.json
index 156218b..a196f85 100644
--- a/en-US/auth.json
+++ b/en-US/auth.json
@@ -92,7 +92,8 @@
       "disclaimer_dialog_description": "To continue signing up, we need you to read and accept our policies",
       "auth_form_error_terms_not_accepted": "You must read and accept the policies to continue",
       "auth_form_error_no_auth_methods_enabled": "Sorry, we don't see a way to authenticate you at the moment.",
-      "auth_form_error_org_not_accepting_registrations": "The specified organization is not accepting registrations"
+      "auth_form_error_org_not_accepting_registrations": "The specified organization is not accepting registrations",
+      "kp_usr_marketing_opt_in": "Yes. Send me offers."
     },
     "choose_mfa_method_page": {
       "page_title": "Choose MFA option | ${business_name}",
@@ -288,7 +289,8 @@
       "no_organization_access": "Sorry, you do not have access to this organization.",
       "operation_not_permitted": "The requested action could not be completed.",
       "invitation_email_mismatch": "That email address doesn’t seem quite right. You’ll need to sign in using the email address the invitation was sent to.",
-      "invitation_expired": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "email_domain_not_allowed": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "invitation_expired": "Looks like you waited a bit long to accept and your invitation expired. Ask your admin to invite you again.",
       "user_suspended": "You cannot sign in at the moment",
       "unknown_error": "Something went wrong when we tried to authenticate you, and we can’t offer a quick way out. Start a new session and try signing in again."
     },
diff --git a/en/auth.json b/en/auth.json
index 460e671..815e5e2 100644
--- a/en/auth.json
+++ b/en/auth.json
@@ -92,7 +92,8 @@
       "disclaimer_dialog_description": "To continue signing up, we need you to read and accept our policies",
       "auth_form_error_terms_not_accepted": "You must read and accept the policies to continue",
       "auth_form_error_no_auth_methods_enabled": "Sorry, we don't see a way to authenticate you at the moment.",
-      "auth_form_error_org_not_accepting_registrations": "The specified organization is not accepting registrations"
+      "auth_form_error_org_not_accepting_registrations": "The specified organization is not accepting registrations",
+      "kp_usr_marketing_opt_in": "Yes. Send me offers."
     },
     "choose_mfa_method_page": {
       "page_title": "Choose MFA option | ${business_name}",
@@ -288,7 +289,8 @@
       "no_organization_access": "Sorry, you do not have access to this organization.",
       "operation_not_permitted": "The requested action could not be completed.",
       "invitation_email_mismatch": "That email address doesn’t seem quite right. You’ll need to sign in using the email address the invitation was sent to.",
-      "invitation_expired": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "email_domain_not_allowed": "We can’t finish signing you up as the email domain we detected is not allowed. Try a different sign up method.",
+      "invitation_expired": "Looks like you waited a bit long to accept and your invitation expired. Ask your admin to invite you again.",
       "user_suspended": "You cannot sign in at the moment",
       "unknown_error": "Something went wrong when we tried to authenticate you, and we can’t offer a quick way out. Start a new session and try signing in again."
     },