Okla. Admin. Code § 265:3-3-5
If an owner, lessee, agent or occupant deems himself aggrieved by an Order of the State Fire Marshal in 265:3-3-4, and desires a hearing, he may complain or appeal in writing to the State Fire Marshal within ten (10) days from the service of the Order and the State Fire Marshal shall investigate said complaint at once. The State Fire Marshal shall set a time and place for a hearing in the county where such property is located. The State Fire Marshal may affirm, modify, revoke or vacate said order at said hearing, and unless such order is revoked or vacated by the State Fire Marshal, it shall remain in force and be complied with by such owner, lessee, agent or occupant within the time fixed in said order, or within such time as may be fixed by State Fire Marshal at said hearing.
Okla. Admin. Code § 265:3-3-5