New York Laws
Part 5 - Presentment, Notice of Dishonor and Protest
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.