The application for open space use assessment may be signed by:
A. The owner of the open space real property, including tenants in common or joint tenants;
B. Any person, of lawful age, authorized by a duly executed power of attorney to sign an application on behalf of any person described in subsection A of this section;
C. The guardian or conservator of an owner or the executor or administrator of an owner's estate. (MC Ord. 53A §4(1)(c), 1975)