CFR › Title 46 › Part 108 › §108.63346 CFR §108.633Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkEach fire station must be identified by marking: “FIRE STATION NO. __;” next to the station in letters and numbers at least 5 centimeters (2 inches) high.