2 U.S.C. § 47
The compensation of Members and Delegates shall be passed as public accounts, and paid out of the public Treasury.
(R.S. § 46.)
R.S. § 46 derived from acts Jan. 22, 1818, ch. 5, § 3, 3 Stat. 404, and Feb. 10, 1854, ch. 11, § 1, 10 Stat. 267.