US HB3429

Directs the Secretary of State to negotiate with Japan and the Republic of Korea within 180 days to establish a formal US-Japan-ROK Inter-Parliamentary Dialogue for cooperation on shared interests and values

Creates a United States Group of up to 8 Members of Congress (4 from House, 4 from Senate) to represent the U.S. at the trilateral dialogue, with members serving 2-year terms and required representation from Foreign Affairs/Foreign Relations committees

Requires the United States Group to meet at least annually with legislative representatives from Japan and South Korea, with meetings held in the U.S., abroad during congressional recess, or virtually

References the August 18, 2023 Camp David summit as establishing a new era of trilateral partnership, with Congress expressing support for continued leader-level summits and enhanced maritime security cooperation in the Indo-Pacific

Authorizes the United States Group to accept private gifts or donations subject to ethics committee approval, and requires annual reports to the House Foreign Affairs and Senate Foreign Relations committees on expenditures