46 C.F.R. § 105.45-15 Warning signals and signs.
Title 46 - Shipping
(a) During transfer of cargo while fast to a dock, a red signal (flag by day and electric lantern at night) shall be so placed that it will be visible on all sides. At all other times of transfer a red flag only shall be displayed.
Title 46: Shipping
PART 105—COMMERCIAL FISHING VESSELS DISPENSING PETROLEUM PRODUCTS
Subpart 105.45—Special Operating Requirements
§ 105.45-15 Warning signals and signs.
