New York Consolidated Laws, Uniform Commercial Code - UCC § 3-109. Definite Time

(a) on or before a stated date or at a fixed period after a stated date;  or

(b) at a fixed period after sight;  or

(c) at a definite time subject to any acceleration;  or

(d) at a definite time subject to extension at the option of the holder, or to extension to a further definite time at the option of the maker or acceptor or automatically upon or after a specified act or event.