§12A-3-401.

§12A-3-401.
   
                                 SIGNATURE
                                      
   (a) A person is not liable on an instrument unless (i) the person
   signed the instrument, or (ii) the person is represented by an agent
   or representative who signed the instrument and the signature is
   binding on the represented person under Section 3-402 of this title.
   
   (b) A signature may be made (i) manually or by means of a device or
   machine, and (ii) by the use of any name, including a trade or assumed
   name, or by a word, mark, or symbol executed or adopted by a person
   with present intention to authenticate a writing.