33 C.F.R. § 103.520 Recordkeeping.
Title 33 - Navigation and Navigable Waters
(a) All records pertaining to the Area Maritime Security (AMS) Assessment and AMS Plan will be retained by the COTP for 5 years. (b) Exercise documentation will be kept by the COTP for 2 years.
Title 33: Navigation and Navigable Waters
PART 103—MARITIME SECURITY: AREA MARITIME SECURITY
Subpart E—Area Maritime Security (AMS) Plan
§ 103.520 Recordkeeping.

