Antennas, antenna towers, monopoles, equipment cabinets, or equipment shelters shall be removed at the expense of the property owner if they have not been used for a period of one (1) -year. A one (1) -year extension may be granted by the Board of Zoning Adjustment to this requirement for good cause shown.
D.C. Mun. Regs. tit. 11, r. 11-C1316