diff --git a/src/store/index.js b/src/store/index.js
index 4e03ce52..d60ba142 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -1174,7 +1174,8 @@ export const useMainStore = defineStore({
                         referralNumber: this.order.referralNumber?.toString(),
                         referralCorrelationId: this.order.referralCorrelationId,
                         referralSequenceNumber: this.order.referralSequenceNumber,
-                        eon: this.order.eon
+                        eon: this.order.eon,
+                        submitToMainframe: !!this.order.referralNumber
                     },
                     additionalSuccessEventDataHandler: (response) =>
                         `Email provided: ${customer.emailAddress ? 'true' : 'false'}`