Okla. Stat. tit. 74, § 324.21

The Office of the State Fire Marshal shall be authorized to prepare under the Seal of the Office and deliver upon request, a certified copy of fire investigation reports, as authorized in Section 314 of Title 74 of the Oklahoma Statutes, charging a fee of Two Dollars ($2.00) per page for each document so authenticated. Fees collected by the Office of the State Fire Marshal shall be deposited in the State Treasury for credit to the General Revenue Fund of the state.