“Owner” means,

(a) in relation to a corporation other than a leasehold condominium corporation or a common elements condominium corporation, a person who owns a freehold interest in a unit and its appurtenant common interest and who is shown as the owner in the records of the land registry office in which the description of the corporation is registered, and includes a mortgagee in possession and a declarant with respect to any unit that the declarant has not transferred to another person,

(b) in relation to a leasehold condominium corporation, a person who owns a leasehold interest in a unit and its appurtenant common interest and who is shown as the owner in the records of the land registry office in which the description of the corporation is registered, and includes a mortgagee in possession and a declarant with respect to any unit in which the declarant has not transferred the leasehold interest to another person but does not include a tenant of the owner,

(c) in relation to a common elements condominium corporation, a person, including the declarant, who owns a common interest in the common elements and a freehold interest in the parcel of land to which the common interest is attached as described in the declaration and who is shown as the owner in the records of the land registry office in which the description of the corporation is registered.