Amends the Illinois Pension Code. In the General Provisions Article, provides that beginning on January 1, 2024, the annual earnings, salary, or wages of a Tier 2 participant under the Cook County Article shall track with the Social Security wage base (rather than shall not exceed $106,800, adjusted annually). Makes conforming changes in the Cook County Article and provides that the county's contribution shall be paid through a tax levy and any other lawfully available funds. Provides that beginning on January 1, 2025, the Fund shall not use contributions received by the Fund for subsidy for an annuitant health care program. Deletes a restrictive date in a provision concerning establishing credit for military service. Beginning on December 1, 2023, provides that the president of the county shall appoint 2 additional members to the board of trustees. Requires the retirement board to retain an actuary who is a member in good standing of the American Academy of Actuaries to produce an annual actuarial report of the Fund and provides criteria for the report. Provides that the annual audit required of the Fund may include the preparation of the annual actuarial report. Provides that the annual report submitted to the county board shall include the annual actuarial report. Requires that the minimum required employer contribution shall be submitted annually by the county and provides the method of determining the minimum required employer contribution. Provides that the Fund shall (rather than may) pay for an annuitant health care program administered by the Fund (rather than any of the county's health care plans). Makes other changes. Amends the State Mandates Act to require implementation without reimbursement. Effective immediately. This is a Cook County initiative.