(a) The board of trustees shall certify to the governing board of each state agency participating in the group benefits program that provides contributions for its employees’ group coverages and dependents’ group coverages from operating budgets provided from sources other than the General Appropriations Act the proportionate amounts required to pay its contributions.
(b) The board of trustees shall make the certification not later than the 30th day before the date of the meeting at which the governing board of the state agency adopts its operating budget.