New York Real Property Law Section 326 - Revocation to be recorded.

  326.  Revocation  to  be  recorded.  A  power  of attorney or other
  instrument, recorded pursuant to this article, is not deemed revoked  by
  any  act  of  the  party  by whom it was executed, unless the instrument
  containing such revocation is also recorded in the same office in  which
  the instrument containing the power was recorded.

Last modified: February 3, 2019