Subject to the conditions and upon the issuance of the permit provided for herein, one or more temporary dwellings may be established and maintained on a lot, tract, or parcel if the parcel is already occupied by a principal dwelling, for use by one of the following:
A.
A person who is to receive from or administer to a resident of the principal dwelling, continuous care and assistance necessitated by advanced age or infirmity, the need for which is documented by a physician's medical statement; or
B.
A caretaker, hired-hand or other similar full-time employee working on the lot, tract or parcel in connection with an agricultural or related use of the premises; or
(Ord. 371 § 10(A), 1997)