diff --git a/btc-UI/src/app/components/selection.service/label-restriction.service.ts b/btc-UI/src/app/components/selection.service/label-restriction.service.ts
index 902f6a6..a284615 100644
--- a/btc-UI/src/app/components/selection.service/label-restriction.service.ts
+++ b/btc-UI/src/app/components/selection.service/label-restriction.service.ts
@@ -56,4 +56,33 @@ export class LabelRestrictionService {
 
     return blockLabels;
   }
+
+  /**
+   * Returns true if Field should be disabled due to a BOX selection in FRP/QNP/TNP.
+   *
+   * We consider both finalized selections and the in-progress/current label (provided via `current`).
+   *
+   * @param selections finalized selections
+   * @param current optional object describing the in-progress row (e.g. { label: 'FRP', isBoxed: true })
+   */
+  isFieldDisabled(
+    selections: SelectionData[],
+    current?: { label?: string | null; isBoxed?: boolean } | null
+  ): boolean {
+    const boxedLabels = new Set(['FRP', 'QNP', 'TNP']);
+
+    // check finalized selections
+    for (const s of selections) {
+      if (s && s.label && boxedLabels.has(s.label) && !!s.isBoxed) {
+        return true;
+      }
+    }
+
+    // check the in-progress/current row if provided
+    if (current && current.label && boxedLabels.has(String(current.label)) && !!current.isBoxed) {
+      return true;
+    }
+
+    return false;
+  }
 }
diff --git a/btc-UI/src/app/components/touch-pad-menu/touch-pad-menu.component.ts b/btc-UI/src/app/components/touch-pad-menu/touch-pad-menu.component.ts
index 6dcd1fb..f42803d 100755
--- a/btc-UI/src/app/components/touch-pad-menu/touch-pad-menu.component.ts
+++ b/btc-UI/src/app/components/touch-pad-menu/touch-pad-menu.component.ts
@@ -1699,6 +1699,13 @@ if (['FRP', 'QNP', 'TNP'].includes(row.label)) {
 
   canUseField(): boolean {
     if (this.totalAmountLimitReached) return false;
+
+    // If any finalized or the current (in-progress) selection is a boxed FRP/QNP/TNP, disable Field
+    const currentPartial = { label: this.selectedLabel, isBoxed: this.isBoxed };
+    if (this.labelRestrictionService.isFieldDisabled(this.selectionService.getSelections(), currentPartial)) {
+      return false;
+    }
+
     if (this.selectedLabel === 'FRP' || this.selectedLabel === 'QNP') {
       if (!this.isFirstGroupComplete && this.firstGroup.length === 0) return true;
       if (this.isFirstGroupComplete && this.secondGroup.length === 0) return true;