; or (B) the end of the transition period. (2) Statutory construction Nothing in this subsection may be construed to require the transfer of functions, personnel, records, balances of appropriations, or other assets of an agency on a single date. (3) Supercedes existing law Paragraph (1) shall apply notwithstanding section 905(b) of title 5, United States Code. 503. Transitional authorities (a) Provision of assistance by officials Until the transfer of an agency to the Administration, any official having authority over or function relating to the agency immediately before the effective date of this Act shall provide the Administrator such assistance, including the use of personnel and assets, as the Administrator may request in preparing for the transfer and integration of the agency to the Administration. (b) Services and personnel During the transition period, upon the request of the Administrator, the head of any Executive agency may, on a reimbursable basis, provide services or detail personnel to assist with the transition. (c) Acting officials (1) In general During the transition period, pending the advice and consent of the Senate to the appointment of an officer required by this Act to be appointed by and with such advice and consent, the President may designate any officer whose appointment was required to be made by and with such advice and consent and who was such an officer immediately before the effective date of this Act (and who continues to be in office) or immediately before such designation, to act in such office until the same is filled as provided in this Act. (2) Compensation While acting pursuant to paragraph (1), such officers shall receive compensation at the higher of— (A) the rates provided by this Act for the respective offices in which they act