United States Statutes at Large/Volume 5/25th Congress/3rd Session/Chapter 4
Chap. IV.—An Act further to regulate the transportation of the mail upon railroads.
Act of March 3, 1845, ch. 43, sec. 19.
Allowance to railroad companies for carrying mails, under act July 7, 1838, ch. 172, sec. 2.Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Postmaster General shall not, by virtue of the authority vested in him by the second section of the “Act to establish certain post routes and to discontinue others,” approved July seventh, eighteen hundred and thirty-eight, allow more than three hundred dollars per mile per annum to any railroad company in the United States for the conveyance of one or more daily mails upon their roads: Provided, That nothing in this act contained shall be construed so as in any way to remove or impair the limitations upon the power of the Postmaster General imposed by that section.
Approved, January 25, 1839.