Waivers and amendments.

The department shall submit to the federal department of health and human services an amendment to the state medical assistance plan, and shall request any necessary waivers from the secretary of the federal department of health and human services, to permit the department to expand medical assistance eligibility as provided in this section. If the state plan amendment and all necessary waivers are approved and in effect, the department shall implement the medical assistance eligibility expansion under this section not later than January 1, 2000, or 3 months after full federal approval, whichever is later.