2 U.S.C. § 265 — Preservation of statements

A statement required by this chapter to be filed with the Clerk—

(a) shall be deemed properly filed when deposited in an established post office within the prescribed time, duly stamped, registered, and directed to the Clerk of the House of Representatives of the United States, Washington, District of Columbia, but in the event it is not received, a duplicate of such statement shall be promptly filed upon notice by the Clerk of its nonreceipt;

(b) shall be preserved by the Clerk for a period of two years from the date of filing, shall constitute part of the public records of his office, and shall be open to public inspection.