New York Correction Law Section 107 - Entry into force.

  107.  Entry  into  force.  This  compact shall enter into force and
  become effective and binding upon the states so acting when it has  been
  enacted  into  law  by  any two states.   Thereafter, this compact shall
  enter into force and become effective and binding as  to  any  other  of
  said states upon similar action by such state.

Last modified: February 3, 2019