The drawee may require, when paying the bill of exchange, that it be remitted to him discharged by the bearer.
The bearer may not refuse partial payment.
In the event of partial payment, the drawee may require that mention of such payment be made on the bill and that acknowledgement thereof be given to him.
Payments made to account on the amount of a bill of exchange are to the discharge of the drawer and endorser.
The bearer is obliged to protest the bill of exchange for the surplus.