5 U.S. Code § 3394 - Noncareer and limited appointments
(a) Each noncareer appointee, limited term appointee, and limited emergency appointee shall meet the qualifications of the position to which appointed, as determined in writing by the appointing authority.
Source(Added Pub. L. 95–454, title IV, § 403(a),Oct. 13, 1978, 92 Stat. 1162.)