New York Uniform Commercial Code Law Section 3-401 - Signature.

Section 3--401. Signature.
(1)  No person is liable on an instrument unless his signature appears
  thereon.
(2) A signature is made by use of any name,  including  any  trade  or
  assumed name, upon an instrument, or by any word or mark used in lieu of
  a written signature.

Last modified: February 3, 2019