diff --git a/src/libs/Navigation/AppNavigator/Navigators/RightModalNavigator.tsx b/src/libs/Navigation/AppNavigator/Navigators/RightModalNavigator.tsx
index 44355cbbe955..646552c44055 100644
--- a/src/libs/Navigation/AppNavigator/Navigators/RightModalNavigator.tsx
+++ b/src/libs/Navigation/AppNavigator/Navigators/RightModalNavigator.tsx
@@ -1,7 +1,7 @@
 import type {StackCardInterpolationProps, StackScreenProps} from '@react-navigation/stack';
 import {createStackNavigator} from '@react-navigation/stack';
 import React, {useMemo, useRef} from 'react';
-import {View} from 'react-native';
+import {InteractionManager, View} from 'react-native';
 import NoDropZone from '@components/DragAndDrop/NoDropZone';
 import useStyleUtils from '@hooks/useStyleUtils';
 import useThemeStyles from '@hooks/useThemeStyles';
@@ -62,7 +62,11 @@ function RightModalNavigator({navigation, route}: RightModalNavigatorProps) {
                             ) {
                                 return;
                             }
-                            abandonReviewDuplicateTransactions();
+                            // Delay clearing review duplicate data till the RHP is completely closed
+                            // to avoid not found showing briefly in confirmation page when RHP is closing
+                            InteractionManager.runAfterInteractions(() => {
+                                abandonReviewDuplicateTransactions();
+                            });
                         },
                     }}
                     id={NAVIGATORS.RIGHT_MODAL_NAVIGATOR}
diff --git a/src/libs/ReportUtils.ts b/src/libs/ReportUtils.ts
index 62e259b8f05c..6d8775e00ffb 100644
--- a/src/libs/ReportUtils.ts
+++ b/src/libs/ReportUtils.ts
@@ -5607,6 +5607,11 @@ function canAccessReport(report: OnyxEntry<Report>, policies: OnyxCollection<Pol
     return true;
 }
 
+// eslint-disable-next-line rulesdir/no-negated-variables
+function isReportNotFound(report: OnyxEntry<Report>): boolean {
+    return !!report?.errorFields?.notFound;
+}
+
 /**
  * Check if the report is the parent report of the currently viewed report or at least one child report has report action
  */
@@ -7565,6 +7570,7 @@ export {
     buildParticipantsFromAccountIDs,
     buildTransactionThread,
     canAccessReport,
+    isReportNotFound,
     canAddTransaction,
     canDeleteTransaction,
     canBeAutoReimbursed,
diff --git a/src/pages/TransactionDuplicate/Confirmation.tsx b/src/pages/TransactionDuplicate/Confirmation.tsx
index 3c9b911a1cf5..96b32006675e 100644
--- a/src/pages/TransactionDuplicate/Confirmation.tsx
+++ b/src/pages/TransactionDuplicate/Confirmation.tsx
@@ -7,6 +7,7 @@ import {useOnyx} from 'react-native-onyx';
 import FullPageNotFoundView from '@components/BlockingViews/FullPageNotFoundView';
 import Button from '@components/Button';
 import FixedFooter from '@components/FixedFooter';
+import FullScreenLoadingIndicator from '@components/FullscreenLoadingIndicator';
 import HeaderWithBackButton from '@components/HeaderWithBackButton';
 import MoneyRequestView from '@components/ReportActionItem/MoneyRequestView';
 import ScreenWrapper from '@components/ScreenWrapper';
@@ -20,19 +21,22 @@ import type {TransactionDuplicateNavigatorParamList} from '@libs/Navigation/type
 import variables from '@styles/variables';
 import * as IOU from '@src/libs/actions/IOU';
 import * as ReportActionsUtils from '@src/libs/ReportActionsUtils';
+import * as ReportUtils from '@src/libs/ReportUtils';
 import * as TransactionUtils from '@src/libs/TransactionUtils';
 import ONYXKEYS from '@src/ONYXKEYS';
 import ROUTES from '@src/ROUTES';
 import type SCREENS from '@src/SCREENS';
 import type {Transaction} from '@src/types/onyx';
+import {isEmptyObject} from '@src/types/utils/EmptyObject';
+import isLoadingOnyxValue from '@src/types/utils/isLoadingOnyxValue';
 
 function Confirmation() {
     const styles = useThemeStyles();
     const {translate} = useLocalize();
     const route = useRoute<RouteProp<TransactionDuplicateNavigatorParamList, typeof SCREENS.TRANSACTION_DUPLICATE.REVIEW>>();
-    const [reviewDuplicates] = useOnyx(ONYXKEYS.REVIEW_DUPLICATES);
+    const [reviewDuplicates, reviewDuplicatesResult] = useOnyx(ONYXKEYS.REVIEW_DUPLICATES);
     const transaction = useMemo(() => TransactionUtils.buildNewTransactionAfterReviewingDuplicates(reviewDuplicates), [reviewDuplicates]);
-    const [report] = useOnyx(`${ONYXKEYS.COLLECTION.REPORT}${route.params.threadReportID}`);
+    const [report, reportResult] = useOnyx(`${ONYXKEYS.COLLECTION.REPORT}${route.params.threadReportID}`);
     const [reportActions] = useOnyx(`${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${transaction?.reportID}`);
     const reportAction = Object.values(reportActions ?? {}).find(
         (action) => ReportActionsUtils.isMoneyRequestAction(action) && ReportActionsUtils.getOriginalMessage(action)?.IOUTransactionID === reviewDuplicates?.transactionID,
@@ -56,13 +60,27 @@ function Confirmation() {
         [report, reportAction],
     );
 
+    const reportTransactionID = TransactionUtils.getTransactionID(report?.reportID ?? '');
+    const doesTransactionBelongToReport = reviewDuplicates?.transactionID === reportTransactionID || reviewDuplicates?.duplicates.includes(reportTransactionID);
+
+    // eslint-disable-next-line rulesdir/no-negated-variables
+    const shouldShowNotFoundPage =
+        isEmptyObject(report) ||
+        !ReportUtils.isValidReport(report) ||
+        ReportUtils.isReportNotFound(report) ||
+        (reviewDuplicatesResult.status === 'loaded' && (!transaction?.transactionID || !doesTransactionBelongToReport));
+
+    if (isLoadingOnyxValue(reviewDuplicatesResult, reportResult)) {
+        return <FullScreenLoadingIndicator />;
+    }
+
     return (
         <ScreenWrapper
             testID={Confirmation.displayName}
             shouldShowOfflineIndicator
         >
             {({safeAreaPaddingBottomStyle}) => (
-                <FullPageNotFoundView shouldShow={!reviewDuplicates}>
+                <FullPageNotFoundView shouldShow={shouldShowNotFoundPage}>
                     <View style={[styles.flex1, safeAreaPaddingBottomStyle]}>
                         <HeaderWithBackButton title={translate('iou.reviewDuplicates')} />
                         <ScrollView>