diff --git a/API/ROLAC.API/Services/Form1099/Form1099FormService.cs b/API/ROLAC.API/Services/Form1099/Form1099FormService.cs
index 7cc90e0..4c7d199 100644
--- a/API/ROLAC.API/Services/Form1099/Form1099FormService.cs
+++ b/API/ROLAC.API/Services/Form1099/Form1099FormService.cs
@@ -94,7 +94,7 @@ public class Form1099FormService : I1099FormService
         var recipientAddress = JoinAddress(
             JoinLines(payee.AddressLine1, payee.AddressLine2), payee.City, payee.State, payee.Zip);
 
-        // ChurchProfile has no payer EIN/TIN field, so the payer-TIN box is labelled but left blank.
+        var payerEin  = string.IsNullOrWhiteSpace(church.PayerEin) ? "" : church.PayerEin;
         var maskedTin = string.IsNullOrWhiteSpace(payee.TinLast4) ? "" : $"***-**-{payee.TinLast4}";
 
         return
@@ -109,7 +109,7 @@ public class Form1099FormService : I1099FormService
             $"{Encode(church.Name)}<br/>{payerAddress}" +
             "</td>" +
             "<td width=\"50%\" valign=\"top\">" +
-            "<b>PAYER&rsquo;s TIN (EIN)</b><br/>&nbsp;" +
+            $"<b>PAYER&rsquo;s TIN (EIN)</b><br/>{Encode(payerEin)}" +
             "</td></tr>" +
 
             "<tr><td valign=\"top\">" +
diff --git a/APP/src/app/features/disbursement/models/disbursement.model.ts b/APP/src/app/features/disbursement/models/disbursement.model.ts
index 0ba7aa9..8ea6a2f 100644
--- a/APP/src/app/features/disbursement/models/disbursement.model.ts
+++ b/APP/src/app/features/disbursement/models/disbursement.model.ts
@@ -48,7 +48,7 @@ export interface ChurchProfileDto {
   id: number; name: string; nameZh: string | null; phone: string | null;
   email: string | null; website: string | null; address: string | null; city: string | null;
   state: string | null; zipCode: string | null; bankName: string | null;
-  bankAccountNumber: string | null; bankRoutingNumber: string | null; nextCheckNumber: number;
+  bankAccountNumber: string | null; bankRoutingNumber: string | null; payerEin: string | null; nextCheckNumber: number;
   aiProvider: string;
   claudeModel: string | null; claudeApiKeyMasked: string | null;
   geminiModel: string | null; geminiApiKeyMasked: string | null;
diff --git a/APP/src/app/features/disbursement/pages/church-profile-page/church-profile-page.component.html b/APP/src/app/features/disbursement/pages/church-profile-page/church-profile-page.component.html
index c2af9ff..2d15893 100644
--- a/APP/src/app/features/disbursement/pages/church-profile-page/church-profile-page.component.html
+++ b/APP/src/app/features/disbursement/pages/church-profile-page/church-profile-page.component.html
@@ -55,6 +55,10 @@
               Routing # / 路由號碼
               <kendo-textbox [(ngModel)]="model.bankRoutingNumber"></kendo-textbox>
             </label>
+            <label class="flex flex-col gap-1">
+              Payer EIN / 雇主識別號 (EIN)
+              <kendo-textbox [(ngModel)]="model.payerEin" placeholder="XX-XXXXXXX"></kendo-textbox>
+            </label>
             <label class="flex flex-col gap-1">
               Next Check # / 下一張支票號碼
               <kendo-numerictextbox [(ngModel)]="model.nextCheckNumber" [min]="1" [decimals]="0" format="#"></kendo-numerictextbox>