A Chinese Garden may be constructed at the National Arboretum established under this chapter with—
(Mar. 4, 1927, ch. 505, § 7, as added Pub. L. 110–234, title VII, § 7415, May 22, 2008, 122 Stat. 1256, and Pub. L. 110–246, § 4(a), title VII, § 7415, June 18, 2008, 122 Stat. 1664, 2017.)