Section R. 408.11943 - RefuelingRule 1943.
(1) A crawler, locomotive, or truck crane fuel tank shall not be refueled while the engine is running.(2) When refueling is done with portable containers, the containers shall be safety cans which have automatic closing caps. The containers shall be approved by underwriters laboratories, inc., factory mutual laboratory, or other nationally recognized laboratory.(3) A person shall not smoke, and sources of sparks and flame shall not be located, within 25 feet of a refueling operation.Mich. Admin. Code R. 408.11943