APARTMENT AND OFFICE BUILDING ASSOCIATION OF METROPOLITAN WASHINGTON, a corporation, et al., Appellants, v. Walter E. WASHINGTON, Commissioner, et al., Appellees. Walter E. WASHINGTON, Commissioner, et al., Appellants, v. APARTMENT AND OFFICE BUILDING ASSOCIATION OF METROPOLITAN WASHINGTON, a corporation, et al., Appellees. Nos. 8985, 9083.District of Columbia Court of Appeals.Argued January 22, 1975. Decided July […]