46 C.F.R. § 78.47-75 Ventilation alarm failure.
Title 46 - Shipping
(a) The alarm required by §72.15–15 (c)(4) of this subchapter, which indicates the loss of required ventilation in spaces specially suitable for vehicles, shall be marked with a conspicuous sign in at least (b) [Reserved] [CGFR 66–33, 31 FR 15284, Dec. 6, 1966]
Title 46: Shipping
PART 78—OPERATIONS
Subpart 78.47—Markings for Fire and Emergency Equipment, Etc.
§ 78.47-75 Ventilation alarm failure.