Okla. Stat. tit. 19 § 1706.1
The net proceeds of the one-tenth mill annual ad valorem levy upon the net total assessed valuation in any emergency medical service district for any year which shall be authorized and mandatorily required to be appropriated and dedicated to emergency medical service district audit shall henceforth be restricted to and used only for audit survey and reporting receipt, disbursement and management of emergency medical service district affairs financed by ad valorem levy and miscellaneous revenues other than ad valorem taxation accruing to the general fund of the emergency medical service district, whether such audit be in the performance of duties charged to the State Auditor and Inspector and instigated at the State Auditor and Inspector's own initiative and directive, on request of the board of trustees of the emergency medical service district, on request of the board of county commissioners of such county or on order of the Governor as provided by Section 212 of Title 74 of the Oklahoma Statutes. If, after completion of audit of all emergency medical service district accounts so financed, and report thereof, including report of audit of cash funds where possible, as provided by this section, unless there be directive from the Governor for other and/or further inquiry, the board of trustees of the emergency medical service district may, upon certificate of completion by the State Auditor and Inspector, request that any unexpended and unencumbered balance of appropriation therein be, by the board of trustees of the emergency medical service district, lapsed and canceled and the revenues restricted thereby revert to surplus, available for appropriation to any lawful emergency medical service district purpose.
Okla. Stat. tit. 19, § 1706.1