2 U.S.C. § 136c

Authorized additional expenses and services for which Library of Congress salary appropriations are available

From and after October 1, 1983 , appropriations in this Act available to the Library of Congress for salaries shall be available for expenses of personnel security and suitability investigations of Library employees; special and temporary services (including employees engaged by day or hour or in piecework); and services as authorized by section 3109 of title 5 .

( Pub. L. 98–51, title II, § 201 , July 14, 1983 , 97 Stat. 276 .)