New York Real Property Tax Law Section 1131 - Default judgment.

  1131.  Default  judgment.  In  the  event of a failure to redeem or
  answer by any person having the right to redeem or answer,  such  person
  shall forever be barred and foreclosed of all right, title, and interest
  and equity of redemption in and to the parcel in which the person has an
  interest  and  a  judgment  in  foreclosure  may  be taken by default as
  provided by subdivision three of section eleven  hundred  thirty-six  of
  this title. A motion to reopen any such default may not be brought later
  than one month after entry of the judgment.

Last modified: February 3, 2019