2 U.S.C. § 140

Employees; fitness

All persons employed in and about said Library of Congress under the Librarian shall be appointed solely with reference to their fitness for their particular duties.

( Feb. 19, 1897, ch. 265, § 1 , 29 Stat. 545 ; June 29, 1922, ch. 251, § 1 , 42 Stat. 715 .)