diff --git a/src/app/products/charges/edit-charge/edit-charge.component.ts b/src/app/products/charges/edit-charge/edit-charge.component.ts
index 8ba42f7f8..426c615f8 100644
--- a/src/app/products/charges/edit-charge/edit-charge.component.ts
+++ b/src/app/products/charges/edit-charge/edit-charge.component.ts
@@ -123,9 +123,9 @@ export class EditChargeComponent implements OnInit {
       }
     }
     if (this.chargeData.taxGroup) {
-      this.chargeForm.addControl('taxGroupId', this.formBuilder.control({ value: this.chargeData.taxGroup.id }, Validators.required));
+      this.chargeForm.addControl('taxGroupId', this.formBuilder.control({ value: this.chargeData.taxGroup.id, disabled: true }));
     } else {
-      delete this.chargeData.taxGroupId;
+      this.chargeForm.addControl('taxGroupId', this.formBuilder.control({ value: '' }));
     }
   }
 
@@ -150,6 +150,9 @@ export class EditChargeComponent implements OnInit {
     const charges = this.chargeForm.getRawValue();
     charges.locale = this.settingsService.language.code;
     charges.chargePaymentMode = this.chargeData.chargePaymentMode.id;
+    if(charges.taxGroupId.value===''){
+      delete charges.taxGroupId;
+    }
     this.productsService.updateCharge(this.chargeData.id.toString(), charges)
       .subscribe((response: any) => {
         this.router.navigate(['../'], { relativeTo: this.route });