Okla. Admin. Code § 158:50-11-1
All mechanical work performed by the licensee shall be minimally in accordance with the standards of installation as described in OAC 158:50-1-4. An exception shall be made only if the plans calling for other than the standards of installation described in OAC 158:50-1-4 have been approved by the Office of State Fire Marshal.
Added at 19 Ok Reg 732, eff 1-22-02 (emergency)
Added at 19 Ok Reg 1276, eff 5-28-02
Amended at 23 Ok Reg 1216, eff 5-25-06
Amended at 31 Ok Reg 920, eff 9-12-14
Amended at 32 Ok Reg 1636, eff 9-11-15