To restrict a payment method for all POS: Go to **Post of Sale**/**Configuration**/**Payment Methods** and select a payment method. Enable **Credit Limit Restricted** to restrict usage of this payment method if credit limit threshold is overrun. To specify restriction for a selected POS: Go to **Settings**/**Point of Sale** select a POS and scroll down to the **Payment** section. Add payment methods to the **Credit Limit Restricted** field.