The Agency shall provide written confirmation to a State agency or unit of local government regarding the applicability of this subsection upon receipt of a written description of its established program, and each January following receipt of the annual report required under subdivision (c)(3) of this subsection.
For purposes of determining the applicability of this subsection, any municipality with a population over 1,000,000 may certify to the Agency by January 1, 1990 that it operates an established program. Upon the filing of such a certification, the established program shall be deemed to satisfy the provisions of subdivisions (1) and (2) of this subsection.
415 ILCS 5/55.1