45 CFR 673.4: Environmental protection information.

(a) Any person who organizes a non-governmental expedition to Antarctica and who does business in the United States shall notify expedition members of the environmental protection obligations of the Antarctic Conservation Act.

(b) The National Science Foundation's Office of Polar Programs may prepare for publication and distribution explanation of the prohibited acts set forth in the Antarctic Conservation Act, as well as other appropriate educational material for tour operators, their clients, and employees. Such material provided to tour operators for distribution to their passengers and crew shall be disseminated prior to or during travel to the Antarctic.