CFR›Title 46›Chapter I›Part 63›Subpart 63.20 ContainsSection 63.20-1CorpusDaily eCFRDisplayed edition2026-09-01Last updated2026-09-01 Subpart 63.20—Additional Control System Requirements Sections 63.20-1 § 63.20-1 Specific control system requirements. SourceCGD 88-057, 55 FR 24238, June 15, 1990, as amended by USCG-2020-0634, 89 FR 50197, June 12, 2024, unless otherwise noted. Previous 63.15 Subpart 63.15—General Requirements Next 63.25 Subpart 63.25—Requirements for Specific Types of Automatic Auxiliary Boilers