; (ii) in another Quad country during periods when Congress is not in session; or (iii) virtually. (4) Chairperson and vice chairperson (A) House delegation The Speaker of the House of Representatives shall designate the chairperson or vice chairperson of the delegation of the United States Group from the House from among members of the Committee on Foreign Affairs. (B) Senate delegation The President Pro Tempore of the Senate shall designate the chairperson or vice chairperson of the delegation of the United States Group from the Senate from among members of the Committee on Foreign Relations. (5) Private sources The United States Group may accept gifts or donations of services or property, subject to the review and approval, as appropriate, of the Committee on Ethics of the House of Representatives and the Committee on Ethics of the Senate. (6) Certification of expenditures The certificate of the chairperson of the delegation from the House of Representatives or the delegation of the Senate of the United States Group shall be final and conclusive upon the accounting officers in the auditing of the accounts of the United States Group. (7) Annual report The United States Group shall submit to the Committee on Foreign Affairs of the House of Representatives and the Committee on Foreign Relations of the Senate a report for each fiscal year for which an appropriation is made for the United States Group, including a description of its expenditures under such appropriation. (8) Engagement with US officials on the quad Senior United States officials shall provide regular updates and briefings to the United States Group, including leading up to and after major Quadrilateral dialogues, to ensure close coordination with Congress. 5. No additional funds authorized No additional funds are authorized to carry out the requirements of this Act. Such requirements shall be carried out using amounts otherwise authorized.