46 U.S.C. § 40301: Application

discuss, fix, or regulate transportation rates, including through rates, cargo space accommodations, and other conditions of service; pool or apportion traffic, revenues, earnings, or losses; allot ports or regulate the number and character of voyages between ports; regulate the volume or character of cargo or passenger traffic to be carried; engage in an exclusive, preferential, or cooperative working arrangement between themselves or with a marine terminal operator; control, regulate, or prevent competition in international ocean transportation; or discuss and agree on any matter related to a service contract. discuss, fix, or regulate rates or other conditions of service; or engage in exclusive, preferential, or cooperative working arrangements, to the extent the agreement involves ocean transportation in the foreign commerce of the United States. This part does not apply to an acquisition by any person, directly or indirectly, of any voting security or assets of any other person. This part does not apply to a maritime labor agreement. However, this subsection does not exempt from this part any rate, charge, regulation, or practice of a common carrier that is required to be set forth in a tariff or is an essential term of a service contract, whether or not the rate, charge, regulation, or practice arises out of, or is otherwise related to, a maritime labor agreement. This part (except sections 40305 and 40307(a)) does not apply to an assessment agreement.