46 C.F.R. § 26.03-10 Signaling light.
Title 46 - Shipping
All vessels of over 150 gross tons, when engaged on an international voyage, shall be equipped with an efficient daylight signaling lamp in accordance with the requirements of subchapter J (Electrical Engineering) of this chapter. [CGFR 68–32, 33 FR 5711, Apr. 12, 1968, as amended by CGD 97–057, 62 FR 51042, Sept. 30, 1997]
Title 46: Shipping
PART 26—OPERATIONS
Subpart 26.03—Special Operating Requirements
§ 26.03-10 Signaling light.