No person other than a documentation officer shall intentionally alter a Certificate of Documentation.

(a) The person in command of a documented vessel must have on board that vessel the original Certificate of Documentation currently in effect for that vessel.

(b) The requirement of paragraph (a) of this section does not apply:

(1) To non-self-propelled vessels not engaged in foreign trade;

(2) When the Certificate of Documentation has been submitted to the National Vessel Documentation Center for exchange in accordance with § 67.167 (d) or (e); or

(3) When the vessel is in storage or out of the water.

(a) The person in command of a documented vessel must produce the original Certificate of Documentation currently in effect for that vessel upon the demand of any person acting in an official public capacity.

(b) The requirement of paragraph (a) of this section does not apply:

(1) To non-self-propelled vessels not engaged in foreign trade;

(2) When the Certificate of Documentation has been submitted to the National Vessel Documentation Center for exchange in accordance with § 67.167 (d) or (e); or

(3) When the vessel is in storage or out of the water.

(a) Except as provided in paragraph (b) of this section and except for recreational endorsements, which can be renewed for a period of 1, 2, 3, 4, or 5 years, the owner of a documented vessel must annually renew each endorsement upon the current Certificate of Documentation for that vessel in accordance with § 67.163.

(b) The requirement of paragraph (a) of this section does not apply to Certificates of Documentation placed on deposit in accordance with § 67.165.

(a) The owner of a vessel must notify the Coast Guard of each change in the information on which the issuance of the Certificate of Documentation for the vessel is based that occurs before the expiration of the certificate under this subsection, by no later than 30 days after such change.

(b) The Certificate of Documentation for a vessel is terminated upon the expiration of the 30-day period if the owner has not notified the Coast Guard of such change before the end of the period.

Upon the change of address of the managing owner of a documented vessel, the managing owner shall report the change of address to the National Vessel Documentation Center within 10 days of its occurrence.

No vessel which is required by § 67.7 to be documented may engage in unlimited coastwise trade or the fisheries without being documented in accordance with the requirements of this part.

A vessel may not be employed in any trade other than a trade endorsed upon the Certificate of Documentation issued for that vessel. A vessel documented exclusively for recreation may not be used for purposes other than pleasure.

Except for vessels identified in § 67.9, no vessel may be operated under a Certificate of Documentation with endorsements which have become invalid under subpart L of this part.

The owner of a documented vessel may not change or allow the change of the name of that vessel without exchanging the vessel's Certificate of Documentation in accordance with subpart K of this part. The new name of the vessel must be marked on the vessel upon receipt of the new Certificate of Documentation.

The owner of a documented vessel shall not permit the operation of that vessel unless it is marked in accordance with subpart I of this part.