46 C.F.R. § 95.50-20 Semiportable fire extinguishers.
Title 46 - Shipping
(a) The frame or support of each size III, IV, and V fire extinguisher required by Table 95.50–10(a) must be welded or otherwise permanently attached to a bulkhead or deck. (b) If an approved size III, IV, or V fire extinguisher has wheels and is not required by Table 95.50–10(a), it must be securely stowed when not in use to prevent it from rolling out of control under heavy sea conditions. [CGD 77–039, 44 FR 34133, June 14, 1979]
Title 46: Shipping
PART 95—FIRE PROTECTION EQUIPMENT
Subpart 95.50—Hand Portable Fire Extinguishers and Semiportable Fire Extinguishing Systems, Arrangements and Details
§ 95.50-20 Semiportable fire extinguishers.