diff --git a/backend/src/util/mapping/Mappings.js b/backend/src/util/mapping/Mappings.js
index 95b130c4..66549ddd 100644
--- a/backend/src/util/mapping/Mappings.js
+++ b/backend/src/util/mapping/Mappings.js
@@ -400,6 +400,7 @@ const SupplementaryApplicationMappings = [
   { back: 'ofm_end_date', front: 'endDate' },
   { back: 'ofm_renewal_term', front: 'renewalTerm' },
   { back: 'ofm_retroactive_date', front: 'retroactiveDate' },
+  { back: 'ofm_funding_number', front: 'fundingAgreementNumber' },
 ]
 
 const RoleMappings = [
@@ -492,6 +493,7 @@ const IrregularExpenseMappings = [
   { back: 'ofm_end_date', front: 'endDate' },
   { back: 'ofm_expenseid', front: 'irregularExpenseId' },
   { back: '_ofm_application_value', front: 'applicationId' },
+  { back: 'ofm_funding_number', front: 'fundingAgreementNumber' },
 ]
 
 module.exports = {
diff --git a/frontend/src/components/funding/FundingAgreementsTab.vue b/frontend/src/components/funding/FundingAgreementsTab.vue
index 563f308a..4887dec0 100644
--- a/frontend/src/components/funding/FundingAgreementsTab.vue
+++ b/frontend/src/components/funding/FundingAgreementsTab.vue
@@ -104,7 +104,7 @@ export default {
           this.fundingAgreements.push({
             startDate: app.startDate,
             endDate: app.endDate,
-            fundingAgreementNumber: app.supplementaryReferenceNumber,
+            fundingAgreementNumber: app.fundingAgreementNumber,
             fundingAgreementType: app.supplementaryTypeDescription,
             expenseAuthority: BLANK_FIELD,
             facilityName: applications?.find((el) => app?.applicationId === el?.applicationId)?.facilityName,
@@ -154,7 +154,7 @@ export default {
         this.fundingAgreements.push({
           startDate: app.startDate,
           endDate: app.endDate,
-          fundingAgreementNumber: app.referenceNumber,
+          fundingAgreementNumber: app.fundingAgreementNumber,
           fundingAgreementType: APPLICATION_TYPES.IRREGULAR_EXPENSE,
           expenseAuthority: BLANK_FIELD,
           facilityName: activeFA.facilityName,
diff --git a/frontend/src/views/funding/IrregularFundingView.vue b/frontend/src/views/funding/IrregularFundingView.vue
index 2bb6521f..e3d151b1 100644
--- a/frontend/src/views/funding/IrregularFundingView.vue
+++ b/frontend/src/views/funding/IrregularFundingView.vue
@@ -39,7 +39,7 @@ export default {
   },
   computed: {
     downloadFileName() {
-      return `Approval_Notification_${this.application?.referenceNumber}`
+      return `Approval_Notification_${this.application?.fundingAgreementNumber}`
     },
   },
 
diff --git a/frontend/src/views/funding/SupplementaryFundingView.vue b/frontend/src/views/funding/SupplementaryFundingView.vue
index 73c21098..2c3f557f 100644
--- a/frontend/src/views/funding/SupplementaryFundingView.vue
+++ b/frontend/src/views/funding/SupplementaryFundingView.vue
@@ -39,7 +39,7 @@ export default {
   },
   computed: {
     downloadFileName() {
-      return `Approval_Notification_${this.application?.supplementaryReferenceNumber}`
+      return `Approval_Notification_${this.application?.fundingAgreementNumber}`
     },
   },