33 CFR § 104.295 - Additional requirements—cruise ships.
(a) At all MARSEC Levels, the owner or operator of a cruise ship must ensure the following:
(1) Screen all persons, baggage, and personal effects for dangerous substances and devices prior to entering the sterile or secure portion of a cruise ship in accordance with the qualification, training, and equipment requirements of §§ 105.530, 105.535, and 105.545 of this subchapter.
(2) The vessel owner or operator may work with the owner or operator of each cruise ship terminal or port of call at which that vessel embarks or disembarks passengers to meet the requirements of this section. The owner or operator of a cruise ship need not duplicate any provisions fulfilled by the cruise ship terminal or port of call. When a provision is fulfilled by the cruise ship terminal or port of call, the applicable section of the Vessel Security Plan must refer to that fact.
(3) Perform security patrols; and
(4) Search selected areas prior to embarking passengers and prior to sailing.
(b) At MARSEC Level 3, the owner or operator of a cruise ship must ensure that security briefs to passengers about the specific threat are provided.