46 CFR § 153.901 - Documents: Posting, availability, and alteration.
(c) No person may operate a ship under an alternative or waiver granted under this part unless the document granting the alternative or waiver is attached to the ship's Certificate of Inspection or Certificate of Compliance.
(d) Except as allowed in paragraph (e) of this section, the Coast Guard does not accept the following if altered:
(1) Certificates of Inspection.
(2) Certificates of Compliance.
(3) Certificates of Fitness, unless the alteration is by the issuing authority.
(5) NLS Certificates.
(e) A person wishing to change a Procedures and Arrangements Manual approved by the Coast Guard must submit a copy to the Coast Guard following the procedures for requesting an endorsed Certificate of Inspection in § 153.8.