; (5) to confirm the authority of the President to request from foreign nations agreements or provisional measures under the Convention on the Means of Prohibiting and Preventing the Illicit Import, Export, and Transfer of Ownership of Cultural Property (823 U.N.T.S. 231 (1972)), to facilitate the return of Native American cultural items obtained in violation of the Native American Graves Protection and Repatriation Act ( 25 U.S.C. 3001 et seq.) (including section 1170 of title 18, United States Code, as added by the Native American Graves Protection and Repatriation Act), Native American archaeological resources obtained in violation of the Archaeological Resources Protection Act of 1979 ( 16 U.S.C. 470aa et seq.), and Native American objects of antiquity obtained in violation of the Antiquities Act under section 1866(b) of title 18, United States Code; (6) to establish a Federal framework in order to support individuals’ and organizations’ voluntary return of items of tangible cultural heritage, which need not be obtained in violation of the Native American Graves Protection and Repatriation Act ( 25 U.S.C. 3001 et seq.) (including section 1170 of title 18, United States Code, as added by the Native American Graves Protection and Repatriation Act), the Archaeological Resources Protection Act of 1979 ( 16 U.S.C. 470aa et seq.), or the Antiquities Act under section 1866(b) of title 18, United States Code; (7) to establish an interagency working group to ensure communication between all Federal agencies to successfully implement the Native American Graves Protection and Repatriation Act ( 25 U.S.C. 3001 et seq.) (including section 1170 of title 18, United States Code, as added by the Native American Graves Protection and Repatriation Act), the Archaeological Resources Protection Act of 1979 ( 16 U.S.C. 470aa et seq.), and the Antiquities Act under section 1866(b) of title 18, United States Code