On and after July 31, 1958, no part of any appropriation for the Botanic Garden shall be used for the distribution, by congressional allotment, of trees, plants, shrubs, or other nursery stock.
2 U.S. Code § 2145. Restriction on use of appropriation for Botanic Garden
Codification
Section was classified to section 216a of former Title 40, prior to the enactment of Title 40, Public Buildings, Property, and Works, by Pub. L. 107–217, § 1, Aug. 21, 2002, 116 Stat. 1062.