One (1) sign shall be permitted on a single parcel of land if the following tests are met:

     A. The property owner/tenant has completed a Home Occupation Disclosure Form;

     B. The sign does not exceed a total sign area of one (1) square foot and is mounted flat against the exterior wall of a principal or accessory structure or is located on/in a window pane or door pane in such a manner that the sign is not illuminated or animated.