New York Consolidated Laws, Uniform Commercial Code - UCC § 3-510. Evidence of Dishonor and Notice of Dishonor

(a) a document regular in form as provided in the preceding section which purports to be a protest;

(b) the purported stamp or writing of the drawee, payor bank or presenting bank on the instrument or accompanying it stating that acceptance or payment has been refused for reasons consistent with dishonor;

(c) any book or record of the drawee, payor bank, or any collecting bank kept in the usual course of business which shows dishonor, even though there is no evidence of who made the entry.