46 CFR § 91.27-5
Certificate of Inspection: Conditions of validity
April 15, 2021
To maintain a valid Certificate of Inspection, you must complete your annual and periodic inspections within the periods specified in §91.27-1 (a) and (b) and your Certificate of Inspection must be endorsed.
[USCG-1999-4976, 65 FR 6502, Feb. 9, 2000]