(2) A draft may be accepted although it has not been signed by the drawer, is otherwise incomplete or has been dishonored.
(3) If a draft is payable at a fixed period after sight and the acceptor fails to date the acceptance, the holder may complete the acceptance by supplying a date in good faith.
(4) "Certified check" means a check accepted by the bank on which it is drawn. Acceptance may be made as stated in subsection (1) of this section or by a writing on the check that indicates that the check is certified. The drawee of a check has no obligation to certify the check and refusal to certify is not dishonor of the check. [1993 c.545 §50]