Alteration of instruments. Customer’s duty to discover and report, §11-4-406. Charging customer’s account. When allowed, §11-4-401. Death of customer. Effect, §11-4-405. Dishonor, wrongful. Liability to customer, §11-4-402. Incompetency of customer. Effect, §11-4-405. Stale checks. Obligation to bank to pay, §11-4-404. Stop payment orders.