New York County Law Section 236 - County plumbing licensing.

 236. County plumbing licensing. 1. Notwithstanding the provisions of
  the  general  city  law  or any other law to the contrary, the county of
  Westchester is hereby authorized to establish a Westchester county board
  of plumbing examiners and to empower such board to assume all  licensing
  duties within the county of Westchester with respect to the licensure of
  plumbers.  The  county of Westchester shall provide for plumbers' duties
  and responsibilities in accordance with the local law of such county.
2. Local laws enacted pursuant to this  section  shall  supercede  the
  provisions  of any licensing requirements promulgated by a city pursuant
  to the general city law.

Last modified: February 3, 2019