Any person having a freehold interest in land, a possessory interest entitled to exclusive possession, a contractual interest which may become a freehold interest, or an exclusive possessory interest which is specifically enforceable, may file an application to use the land for one or more of the special uses provided for in this chapter in the zoning district in which the land is situated.
('69 Code, App. A, § 10.8-2)