§ 185.350 § 185.350 Fueling of vessels using fuel having a flash point of 43.3 °C (110 °F) or lower (such as gasoline). A vessel must not take on fuel having a flash point of 43.3 °C (110 °F) or lower when passengers are on board.
46 CFR §185.350
46 CFR Part 185
TL;DR
§ 185.350 § 185.350 Fueling of vessels using fuel having a flash point of 43.3 °C (110 °F) or lower (such as gasoline).