D.C. Code Ann. § 43-111 :
� 43-111. Exemption from taxation and sale on execution.
The property of any such corporation, its grounds, lots, and appliances, shall be exempt from taxation and shall not be liable to sale on execution.
Last Amended: 1901
1901
(Mar. 3, 1901, 31 Stat. 1295, ch. 854, § 667.)