; (2) accessible through an application programming interface; (3) fully compliant with— (A) section 508 of the Rehabilitation Act of 1973 ( 29 U.S.C. 794d ); and (B) the most recent Web Content Accessibility Guidelines (or any successor guidelines); and (4) accessible through the website of each agency and through a single webpage operated by the Office of Government Ethics. (c) Assembly of covered ethics records Except as provided in subsection (f), the head of each agency shall— (1) not later than 270 days after publication of guidance under subsection (b), compile electronic copies of covered ethics records that originated with the agency, in such format and through such means as is necessary to permit their inclusion in the database of the agency pursuant to the requirements published under subsection (b)