46 CFR §122.614
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Portable watertight containers for distress flares and smoke signals shall be of a bright color, and containers shall be clearly marked in legible contrasting letters at least 12.7 millimeters (0.5 inches) high: “DISTRESS SIGNALS”.