Uniform Commercial Code

U.C.C. - ARTICLE 3 - NEGOTIABLE INSTRUMENTS
..PART 1. GENERAL PROVISIONS AND DEFINITIONS

§ 3-113. DATE OF INSTRUMENT.

• (a) An instrument may be antedated or postdated. The date stated determines the time of payment if the instrument is payable at a fixed period after date. Except as provided in Section 4-401(c), an instrument payable on demand is not payable before the date of the instrument.
• (b) If an instrument is undated, its date is the date of its issue or, in the case of an unissued instrument, the date it first comes into possession of a holder.