(a) After approval of each contributing endorsing municipality and endorsing county, the office may make a disbursement from the trust fund for a purpose for which an endorsing municipality, an endorsing county, or this state is obligated under a motor sports racing event support contract or event support contract.
(b) If the office makes a disbursement from the trust fund, the office shall satisfy the obligation proportionately from the municipal, county, and state revenue in the trust fund.