; and (B) the effectiveness of administrative oversight by the United States of the Freely Associated States. (b) Secretary of the Interior oversight authority The Secretary of the Interior shall have the authority necessary to fulfill the responsibilities for monitoring and managing the funds appropriated to the Compact of Free Association account of the Department of the Interior by section 10(a) to carry out— (1) the 2023 Amended U.S.-FSM Compact; (2) the 2023 Amended U.S.-RMI Compact; (3) the 2023 U.S.-Palau Compact Review Agreement; and (4) subsidiary agreements. (c) Postmaster General oversight authority The Postmaster General shall have the authority necessary to fulfill the responsibilities for monitoring and managing the funds appropriated to the United States Postal Service under paragraph (1) of section 10(b) and deposited in the Postal Service Fund under paragraph (2)(A) of that section to carry out— (1) section 221(a)(2) of the 2023 Amended U.S.-FSM Compact; (2) section 221(a)(2) of the 2023 Amended U.S.-RMI Compact; (3) section 221(a)(2) of the U.S.-Palau Compact; and (4) Article 6(a) of the 2023 U.S.-Palau Compact Review Agreement. (d) Interagency Group on Freely Associated States (1) Establishment The President, in consultation with the Secretary of State, the Secretary of the Interior, and the Secretary of Defense, shall establish an Interagency Group on Freely Associated States (referred to in this subsection as the Interagency Group ). (2) Purpose The purposes of the Interagency Group are— (A) to coordinate development and implementation of executive branch policies, programs, services, and other activities in or relating to the Freely Associated States; and (B) to provide policy guidance, recommendations, and oversight to Federal agencies, departments, and instrumentalities with respect to the implementation of— (i) the 2023 Amended U.S.-FSM Compact; (ii) the 2023 Amended U.S.-RMI Compact