46 CFR § 189.27-10
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 §§189.27-1 and 189.27-5 respectively, and your Certificate of Inspection must be endorsed.
[USCG-1999-4976, 65 FR 6509, Feb. 9, 2000]