2 U.S. Code § 1842 - Conversion of existing pay rates
The Architect of the Capitol shall convert, as of the effective date of this section, to a single per annum gross rate, the rate of pay of each employee described in subparagraph (1) or subparagraph (2) of section 1841 of this title, whose pay immediately prior to such effective date was fixed at a basic rate with respect to which additional pay was payable by law.
The effective date of this section, referred to in text, means immediately prior to noon on Jan. 3, 1971. See section 601(1) of Pub. L. 91–510, set out as an Effective Date of 1970 Amendment note under section 4301 of this title.