Okla. Admin. Code § 165:25-8-35
All marinas must have a sign printed in one-fourth inch (1/4") to one-half inch (1/2") text in black or red block capital letters on a white background conspicuously posted and easily readable from the dispensing area, which reads:
(1) BEFORE FUELING:
(2) DURING FUELING:
(3) AFTER FUELING:
Added at 18 Ok Reg 2378, eff 7-1-01
Amended at 23 Ok Reg 137, eff 10-6-05 (emergency)
Amended at 23 Ok Reg 2261, eff 7-1-06
Amended at 35 Ok Reg 985, eff 10-1-18