and Appropriations of the House of Representatives and Senate. (2) Explanatory statement Each document apportioning an appropriation posted on a publicly accessible website under paragraph (1) shall also include a written explanation by the official approving each such apportionment (pursuant to section 1513(b) of title 31, United States Code) of the rationale for the apportionment schedule and for any footnotes. (3) Special process for transmitting classified documentation to the Congress The Office of Management and Budget or the applicable department or agency shall make available classified documentation relating to apportionment to appropriate congressional committees on a schedule to be determined by each such committee. (4) Department and agency report Each department or agency shall notify the Committees on the Budget and Appropriations of the House of Representatives and the Senate and any other appropriate congressional committees if— (A) an apportionment is not made in the required time period provided in section 1513(b) of title 31, United States Code