diff --git a/src/app/cashier/transaction-entry/transaction-entry.component.html b/src/app/cashier/transaction-entry/transaction-entry.component.html
index ffc38955f..c429ad732 100644
--- a/src/app/cashier/transaction-entry/transaction-entry.component.html
+++ b/src/app/cashier/transaction-entry/transaction-entry.component.html
@@ -184,7 +184,7 @@
                           class="ws-f__ctl"
                           [(ngModel)]="row.acTyp"
                           (click)="$event.stopPropagation()"
-                          (change)="isGlCreditOnly(row) && (row.dbCr = 'Cr')"
+                          (change)="isCreditOnly(row) && (row.dbCr = 'Cr')"
                         >
                           @for (a of acTypOptionsFor(row); track a) {
                             <option [value]="a">{{ a }}</option>
@@ -267,7 +267,7 @@
                           type="button"
                           class="ws-seg__btn ws-seg__btn--dr"
                           [class.ws-seg__btn--active-dr]="row.dbCr === 'Dr'"
-                          [disabled]="isGlCreditOnly(row)"
+                          [disabled]="isCreditOnly(row)"
                           (click)="row.dbCr = 'Dr'"
                         >
                           DR
@@ -1644,7 +1644,7 @@
                               class="ws-f__ctl"
                               [(ngModel)]="row.acTyp"
                               (click)="$event.stopPropagation()"
-                              (change)="isGlCreditOnly(row) && (row.dbCr = 'Cr')"
+                              (change)="isCreditOnly(row) && (row.dbCr = 'Cr')"
                             >
                               @for (a of acTypOptionsFor(row); track a) {
                                 <option [value]="a">{{ a }}</option>
@@ -1715,7 +1715,7 @@
                               type="button"
                               class="ws-seg__btn ws-seg__btn--dr"
                               [class.ws-seg__btn--active-dr]="row.dbCr === 'Dr'"
-                              [disabled]="isGlCreditOnly(row)"
+                              [disabled]="isCreditOnly(row)"
                               (click)="$event.stopPropagation(); row.dbCr = 'Dr'"
                             >
                               DR
diff --git a/src/app/cashier/transaction-entry/transaction-entry.component.ts b/src/app/cashier/transaction-entry/transaction-entry.component.ts
index 413652c93..f0be400ff 100644
--- a/src/app/cashier/transaction-entry/transaction-entry.component.ts
+++ b/src/app/cashier/transaction-entry/transaction-entry.component.ts
@@ -2344,6 +2344,20 @@ export class TransactionEntryComponent implements OnInit, OnDestroy {
     );
   }
 
+  /**
+   * A Fixed Deposit row is credit-only on both the clerk and the cashier screens: an FD is funded once, with
+   * exactly its principal, and money leaves it only through its maturity or premature closure. The one
+   * exception is the clerk's own "Close this account" flow, which raises a closure request.
+   */
+  isFdCreditOnly(row: TxnRow): boolean {
+    return row.acTyp === 'FD' && !this.pendingClosure;
+  }
+
+  /** DR is not offered for this row (see isGlCreditOnly and isFdCreditOnly). */
+  isCreditOnly(row: TxnRow): boolean {
+    return this.isGlCreditOnly(row) || this.isFdCreditOnly(row);
+  }
+
   /** Called when the TYPE dropdown changes — sets sensible defaults for TXN TP and DR/CR */
   /**
    * A cashier row that was filled from an approved token (withdrawal / account-closure) is cash
@@ -5272,6 +5286,20 @@ export class TransactionEntryComponent implements OnInit, OnDestroy {
   }
 
   onSave(): void {
+    // Money never leaves a Fixed Deposit from this screen, clerk or cashier: no withdrawal slip, payment,
+    // collection or transfer debits an FD. It is paid out only through its maturity or premature closure
+    // (the clerk's "Close this account" flow). The DR button is already disabled for FD rows (isFdCreditOnly);
+    // this also catches a row set to DR by its TYPE, such as a Withdrawal Slip.
+    const fdDebitRows = this.rows.filter((r) => this.isFdCreditOnly(r) && r.dbCr === 'Dr');
+    if (fdDebitRows.length > 0) {
+      this.showAlert('error', 'Fixed Deposit Cannot Be Debited', [
+        `FD account(s) ${fdDebitRows.map((r) => r.acNo).join(', ')} cannot be debited or withdrawn from.`,
+        'Money leaves a Fixed Deposit only through its maturity or premature closure.',
+        'An FD can only be credited — once, with exactly its principal.'
+      ]);
+      return;
+    }
+
     // Demand drafts commit here like everything else on the worksheet. Checked first because a DD
     // row shares its shape with the ordinary entries below — without this it would fall through and
     // post as a plain transaction, with the draft never raised and the charges silently dropped.
@@ -5349,7 +5377,9 @@ export class TransactionEntryComponent implements OnInit, OnDestroy {
         return;
       }
 
-      // Bank transfer: only savings (SD) or current (CA/CB) accounts allowed
+      // Bank transfer: savings (SD) or current (CA/CB) accounts on either side, plus a Fixed Deposit (FD) on
+      // the CR side only -- funding it from the customer's own account. The server checks the funding rules
+      // (first and only funding, exactly the principal, the source account's owner and available balance).
       const allowedTypes = new Set([
         'SD',
         'CA',
@@ -5357,13 +5387,13 @@ export class TransactionEntryComponent implements OnInit, OnDestroy {
       ]);
       const invalidAccounts = [
         ...drRows,
-        ...crRows
+        ...crRows.filter((r) => r.acTyp !== 'FD')
       ].filter((r) => !allowedTypes.has(r.acTyp));
       if (invalidAccounts.length > 0) {
         this.showAlert('error', 'Invalid Account Type', [
           `Account type(s) not allowed in Bank Transfer: ${invalidAccounts.map((r) => r.acTyp + ' (' + r.acNo + ')').join(', ')}`,
-          'Only Savings (SD) and Current (CA) accounts are permitted.',
-          'GL, FD and SHR accounts are not allowed — use Disbursement/Collection instead.',
+          'Debit side: only Savings (SD) and Current (CA) accounts. Credit side: SD, CA or a Fixed Deposit (FD).',
+          'GL and SHR accounts are not allowed — use Disbursement/Collection instead.',
           'RD installments are paid through a cashier Receipt or Auto Debit.'
         ]);
         return;