46 C.F.R. § 105.45-20 Warning sign at gangway.
Title 46 - Shipping
(a) Warning placards shall be kept at hand for display while a vessel is fast to a dock during transfer of cargo, to warn persons approaching the gangway. The placard shall state in letters not less than 2 inches high substantially as follows: Warning
No open lights. No smoking. No visitors.
Title 46: Shipping
PART 105—COMMERCIAL FISHING VESSELS DISPENSING PETROLEUM PRODUCTS
Subpart 105.45—Special Operating Requirements
§ 105.45-20 Warning sign at gangway.

