Section 1801-A. Commercial claims defined

(a) The term "commercial claim" or "commercial claims" as used in this
  act  shall  mean  and  include any cause of action for money only not in
  excess of the maximum amount permitted for a small claim  in  the  small
  claims part of the court, exclusive of interest and costs, provided that
  subject  to the limitations contained in section eighteen hundred nine-A
  of  this  article,  the  claimant  is  a  corporation,  partnership   or
  association, which has its principal office in the state of New York and
  provided  that  the  defendant  either resides, or has an office for the
  transaction of business or a regular employment, within the district  in
  the county where the court is located.
    (b)  Consumer  transaction  defined.  The  term "consumer transaction"
  means a transaction between a claimant and a natural person, wherein the
  money, property or service which is the subject of  the  transaction  is
  primarily for personal, family or household purposes.