those portions of fees and charges to be paid for handling and delivery by the Postal Service of Mailgrams considered as franked mail under section 3219 of this title;

Not later than two weeks after the last day of each quarter of the fiscal year, or as soon as practicable thereafter, the Postmaster General shall send to the Chief Administrative Officer of the House of Representatives, the House Communications Standards Commission, the Secretary of the Senate, and the Senate Committee on Rules and Administration a report which shall contain a tabulation of the estimated number of pieces and costs of franked mail, as defined in section 3201 of this title, in each mail classification sent through the mail for that quarter and for the preceding quarters in the fiscal year, together with separate tabulations of the number of pieces and costs of such mail sent by the House and by the Senate.

Two weeks after the close of the second quarter of the fiscal year, or as soon as practicable thereafter, the Postmaster General shall send to the Chief Administrative Officer of the House of Representatives, the House Communications Standards Commission, the Committee on House Oversight, the Secretary of the Senate, and the Senate Committee on Rules and Administration, a statement of the costs of postage on, and fees and charges in connection with, mail matter sent through the mails as described in paragraph (1) of this subsection for the preceding two quarters together with an estimate of such costs for the balance of the fiscal year. As soon as practicable after receipt of this statement, the House Communications Standards Commission, the Committee on House Oversight, and the Senate Committee on Rules and Administration shall consider promulgating such regulations for their respective Houses as may be necessary to ensure that total postage costs, as described in paragraph (1) of this subsection, will not exceed the amounts available for the fiscal year.