46 C.F.R. § 97.37-10 Fire extinguishing system branch lines.
Title 46 - Shipping
(a) The branch line valves of all fire extinguishing systems shall be plainly and permanently marked indicating the spaces served. (b) [Reserved]
Title 46: Shipping
PART 97—OPERATIONS
Subpart 97.37—Markings for Fire and Emergency Equipment, Etc.
§ 97.37-10 Fire extinguishing system branch lines.

