Section 47-1091 - Basilica of the National Shrine of the Immaculate Conception Property; Lot 6, Square 3663(a) The Basilica of the National Shrine of the Immaculate Conception Property, Lot 6, Square 3663, located in the northeast quadrant of the District of Columbia and comprising approximately 5 acres of land, generally bounded by the Basilica's parking lot, Harewood Road, and the Catholic University of America, together with the improvements thereon and owned by the Basilica of the National Shrine of the Immaculate Conception ("Property") shall be exempt from all taxation so long as it is owned and planned for use by, or actually used by, the Basilica of the National Shrine of the Immaculate Conception for its purposes and activities and is not used for commercial purposes, subject to the provisions of §§ 47-1005, 47-1007, and 47-1009.(b) If the owner applies for and is granted a real property tax exemption under § 47-1002, the exemption provided under subsection (a) of this section shall terminate on the day before the effective date of the exemption granted under § 47-1002.(c) Real property taxes, interest, penalties, fees, and other related charges assessed against the Property for the period of July 1, 2012, through the end of the month following [Dec. 24, 2013], as well as transfer and recordation taxes, interest, and penalties incurred as a result of the conveyance of Lot 6 in Square 3663 to the Basilica of the National Shrine of the Immaculate Conception Property, shall be forgiven, and any payments made for the period or on account of the conveyance shall be refunded.Dec. 24, 2013, D.C. Law 20-61, § 7262(b), 60 DCR 12472.Applicability of D.C. Law 20-61: Section 11001 of D.C. Law 20-61 provided that, except as otherwise provided, the act shall apply as of October 1, 2013.