Okla. Admin. Code § 748:20-4-10
Chapter 5 of the Oklahoma adopted IFC® 2018 is adopted with the following modification: Section 508.1.3 Size, has been modified to include an exception to make the fire command center smaller when approved by the fire code official. This section has been modified to read: 508.1.3 Size. The fire command center shall be not less than 0.015 percent of the total building area of the facility served or 200 square feet (19 square meters) in area, whichever is greater, with a minimum dimension of 0.7 times the square root of the room area or 10 feet (3048 mm), whichever is greater. Exception: When approved by the fire code official the fire command center can be reduced in size to not less than a minimum of 96 square feet (9 square meters) with a minimum dimension of 8 feet (2438 mm).
Okla. Admin. Code § 748:20-4-10