diff --git a/ts/store/reducers/entities/__tests__/payments.test.ts b/ts/store/reducers/entities/__tests__/payments.test.ts
new file mode 100644
index 00000000000..a55847a5a57
--- /dev/null
+++ b/ts/store/reducers/entities/__tests__/payments.test.ts
@@ -0,0 +1,94 @@
+import { Detail_v2Enum } from "../../../../../definitions/backend/PaymentProblemJson";
+import { ServiceId } from "../../../../../definitions/backend/ServiceId";
+import {
+  updatePaymentForMessage,
+  UpdatePaymentForMessageFailure
+} from "../../../../features/messages/store/actions";
+import { UIMessageId } from "../../../../features/messages/types";
+import { isPaidPaymentFromDetailV2Enum } from "../../../../utils/payment";
+import { paymentByRptIdReducer, PaymentByRptIdState } from "../payments";
+
+describe("payments", () => {
+  describe("paymentByRptIdReducer", () => {
+    const rptId1 = "01234567890012345678912345610";
+    const rptId2 = "01234567890012345678912345620";
+    const initialState: PaymentByRptIdState = {
+      [rptId1]: {
+        kind: "COMPLETED",
+        transactionId: 15
+      },
+      [rptId2]: {
+        kind: "DUPLICATED"
+      }
+    };
+    const payload: UpdatePaymentForMessageFailure = {
+      details: Detail_v2Enum.PAA_PAGAMENTO_DUPLICATO,
+      messageId: "5a15aba4-7cd6-490b-b3fe-cf766f731a2f" as UIMessageId,
+      paymentId: "01234567890012345678912345630",
+      serviceId: "75c046cf-77a7-4d33-9c3f-578e00379b55" as ServiceId
+    };
+
+    Object.values(Detail_v2Enum)
+      .filter(detailV2Enum => !isPaidPaymentFromDetailV2Enum(detailV2Enum))
+      .forEach(detailV2Enum => {
+        it(`should return the input state if the failure details are '${detailV2Enum}'`, () => {
+          const outputState = paymentByRptIdReducer(
+            initialState,
+            updatePaymentForMessage.failure({
+              ...payload,
+              details: detailV2Enum
+            })
+          );
+          expect(outputState).toBe(initialState);
+        });
+      });
+    it(`should return the input state if failure details are 'PAA_PAGAMENTO_DUPLICATO' but there is already a record in the state for the input payment`, () => {
+      const outputState = paymentByRptIdReducer(
+        initialState,
+        updatePaymentForMessage.failure({
+          ...payload,
+          paymentId: rptId1,
+          details: Detail_v2Enum.PAA_PAGAMENTO_DUPLICATO
+        })
+      );
+      expect(outputState).toBe(initialState);
+    });
+    it(`should return the input state if failure details are 'PPT_PAGAMENTO_DUPLICATO' but there is already a record in the state for the input payment`, () => {
+      const outputState = paymentByRptIdReducer(
+        initialState,
+        updatePaymentForMessage.failure({
+          ...payload,
+          paymentId: rptId1,
+          details: Detail_v2Enum.PPT_PAGAMENTO_DUPLICATO
+        })
+      );
+      expect(outputState).toBe(initialState);
+    });
+    it(`should return the updated state if failure details are 'PAA_PAGAMENTO_DUPLICATO' and there is no record for the input payment`, () => {
+      const outputState = paymentByRptIdReducer(
+        initialState,
+        updatePaymentForMessage.failure({
+          ...payload,
+          details: Detail_v2Enum.PAA_PAGAMENTO_DUPLICATO
+        })
+      );
+      expect(outputState).toEqual({
+        ...initialState,
+        [payload.paymentId]: { kind: "DUPLICATED" }
+      });
+    });
+    it(`should return the updated state if failure details are 'PPT_PAGAMENTO_DUPLICATO' and there is no record for the input payment`, () => {
+      const outputState = paymentByRptIdReducer(
+        initialState,
+        updatePaymentForMessage.failure({
+          ...payload,
+          details: Detail_v2Enum.PPT_PAGAMENTO_DUPLICATO
+        })
+      );
+      expect(outputState).toEqual({
+        ...initialState,
+        [payload.paymentId]: { kind: "DUPLICATED" }
+      });
+    });
+  });
+});
diff --git a/ts/store/reducers/entities/payments.ts b/ts/store/reducers/entities/payments.ts
index 9c7cbe52a99..da8e3eeb79f 100644
--- a/ts/store/reducers/entities/payments.ts
+++ b/ts/store/reducers/entities/payments.ts
@@ -8,6 +8,11 @@ import { Action } from "../../actions/types";
 import { paymentCompletedSuccess } from "../../../features/payments/checkout/store/actions/orchestration";
 import { GlobalState } from "../types";
 import { differentProfileLoggedIn } from "../../actions/crossSessions";
+import {
+  updatePaymentForMessage,
+  UpdatePaymentForMessageFailure
+} from "../../../features/messages/store/actions";
+import { isPaidPaymentFromDetailV2Enum } from "../../../utils/payment";
 
 export type PaidReason = Readonly<
   | {
@@ -44,6 +49,14 @@ export const paymentByRptIdReducer = (
           transactionId: undefined
         }
       };
+    // This action is dispatched by the payment status update saga that is triggered upon
+    // entering message details. Be aware that the status of a paid payment can never change,
+    // so there is no need to handle the removal of a no-more-paid payment from the state
+    case getType(updatePaymentForMessage.failure):
+      return paymentByRptIdStateFromUpdatePaymentForMessageFailure(
+        action.payload,
+        state
+      );
     // clear state if the current profile is different from the previous one
     case getType(differentProfileLoggedIn):
       return INITIAL_STATE;
@@ -53,6 +66,31 @@ export const paymentByRptIdReducer = (
   }
 };
 
+const paymentByRptIdStateFromUpdatePaymentForMessageFailure = (
+  payload: UpdatePaymentForMessageFailure,
+  state: PaymentByRptIdState
+): PaymentByRptIdState => {
+  // Only paid payments are tracked from the reducer, ignore the others
+  const isPaidPayment = isPaidPaymentFromDetailV2Enum(payload.details);
+  if (!isPaidPayment) {
+    return state;
+  }
+  const rptId = payload.paymentId;
+  // Make sure not to overwrite any existing data (since it may
+  // have come from a payment flow, where data are more detailed)
+  const inMemoryPaymentData = state[rptId];
+  if (inMemoryPaymentData != null) {
+    return state;
+  }
+  // Paid payment was not tracked, add it to the reducer's state
+  return {
+    ...state,
+    [rptId]: {
+      kind: "DUPLICATED"
+    }
+  };
+};
+
 // Selectors
 
 export const paymentsByRptIdSelector = (