View all text of Subpart 91.27 [§ 91.27-1 - § 91.27-15]
§ 91.27-5 - Certificate of Inspection: Conditions of validity.
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.