(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.