A bill to amend title 39, United States Code, to authorize the transmission, without cost to the sender, of letter mail containing any Federal tax return, statement, or other information required of the sender under the provisions of chapter 61 of the Internal Revenue Code of 1954;.

Authorizes the transmission, without cost to the sender, of letter mail containing any Federal tax return, statement, or other information required of the sender under the provisions of the Internal Revenue Code of 1954. Provides appropriations to carry out the purposes of this Act. (Adds 39 U.S.C. 3406)