diff --git a/src/app/core/models/netsuite/netsuite-configuration/netsuite-advanced-settings.model.ts b/src/app/core/models/netsuite/netsuite-configuration/netsuite-advanced-settings.model.ts
index 7dbcbfb69..99ec7f324 100644
--- a/src/app/core/models/netsuite/netsuite-configuration/netsuite-advanced-settings.model.ts
+++ b/src/app/core/models/netsuite/netsuite-configuration/netsuite-advanced-settings.model.ts
@@ -1,7 +1,7 @@
 import { FormControl, FormGroup } from "@angular/forms";
 import { EmailOption, SelectFormOption } from "../../common/select-form-option.model";
 import { DefaultDestinationAttribute } from "../../db/destination-attribute.model";
-import { NetsuiteDefaultLevelOptions, NetsuitePaymentSyncDirection, QBOPaymentSyncDirection } from "../../enum/enum.model";
+import { NetsuiteDefaultLevelOptions, NetsuitePaymentSyncDirection, PaymentSyncDirection } from "../../enum/enum.model";
 import { AdvancedSettingValidatorRule, AdvancedSettingsModel } from "../../common/advanced-settings.model";
 import { HelperUtility } from "../../common/helper.model";
 import { brandingConfig } from "src/app/branding/branding-config";
@@ -101,7 +101,7 @@ export class NetsuiteAdvancedSettingModel extends HelperUtility {
 
   static getValidators(): AdvancedSettingValidatorRule {
     return {
-      paymentSync: 'billPaymentAccount',
+      paymentSync: 'paymentAccount',
       exportSchedule: 'exportScheduleFrequency'
     };
   }
@@ -112,7 +112,7 @@ export class NetsuiteAdvancedSettingModel extends HelperUtility {
 
     Object.values(validatorRule).forEach((value, index) => {
       form.controls[keys[index]].valueChanges.subscribe((selectedValue) => {
-        if (selectedValue) {
+        if (selectedValue && ((keys[index] === 'paymentSync' && selectedValue === NetsuitePaymentSyncDirection.FYLE_TO_NETSUITE) || (keys[index] !== 'paymentSync'))) {
           this.markControllerAsRequired(form, value);
         } else {
           this.clearValidatorAndResetValue(form, value);
diff --git a/src/app/core/models/qbo/qbo-configuration/qbo-advanced-setting.model.ts b/src/app/core/models/qbo/qbo-configuration/qbo-advanced-setting.model.ts
index 5e1248b47..4298b21e1 100644
--- a/src/app/core/models/qbo/qbo-configuration/qbo-advanced-setting.model.ts
+++ b/src/app/core/models/qbo/qbo-configuration/qbo-advanced-setting.model.ts
@@ -83,7 +83,7 @@ export class QBOAdvancedSettingModel extends HelperUtility {
 
     Object.values(validatorRule).forEach((value, index) => {
       form.controls[keys[index]].valueChanges.subscribe((selectedValue) => {
-        if (selectedValue) {
+        if (selectedValue && ((keys[index] === 'paymentSync' && selectedValue === QBOPaymentSyncDirection.FYLE_TO_QBO) || (keys[index] !== 'paymentSync'))) {
           this.markControllerAsRequired(form, value);
         } else {
           this.clearValidatorAndResetValue(form, value);
diff --git a/src/app/integrations/netsuite/netsuite-shared/netsuite-advanced-settings/netsuite-advanced-settings.component.html b/src/app/integrations/netsuite/netsuite-shared/netsuite-advanced-settings/netsuite-advanced-settings.component.html
index 2d7170667..721f4dd75 100644
--- a/src/app/integrations/netsuite/netsuite-shared/netsuite-advanced-settings/netsuite-advanced-settings.component.html
+++ b/src/app/integrations/netsuite/netsuite-shared/netsuite-advanced-settings/netsuite-advanced-settings.component.html
@@ -60,6 +60,8 @@
                     <app-configuration-select-field *ngIf="this.advancedSettingForm.controls.paymentSync.value === 'fyle_to_netsuite' && isPaymentSyncFieldVisible() && brandingFeatureConfig.featureFlags.advancedSettings.paymentsSync"
                         [form]="advancedSettingForm"
                         [destinationAttributes]="paymentAccounts"
+                        [isFieldMandatory]="true"
+                        [mandatoryErrorListName]="'payment account'"
                         [optionLabel]="'name'"
                         [iconPath]="'arrow-rotate'"
                         [label]="brandingContent.defaultPaymentAccount"