The Washington Ballet, Lot 19, Square 1911.

(a) The real property described as Lot 19, Square 1911, together with any improvements on the real property and any future improvements constructed on the real property, shall be exempt from all taxation, including ordinary and special taxes and use or possessory interest taxes, interest, penalties, fees, and other related charges, beginning November 1, 2008, and continuing for as long as the real property is owned by The Washington Ballet and used for the purposes and activities of The Washington Ballet, including the instruction, presentation, and celebration of dance, exercise, and related activities, and the provision of room and board for its students and instructors, and not used for commercial purposes, subject to the provisions of §§ 47-1005 , 47-1007 , and 47-1009 .