CFR › Title 46 › Part 111 › §111.99-546 CFR §111.99-5Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkFire door release systems, if installed, must meet regulation II-2/9.4.1.1.5.3 of IMO SOLAS 74 (incorporated by reference; see 46 CFR 110.10-1).