If there are more than two businesses operated on any one parcel or contiguous parcels, which parcel or parcels are under the ownership, operation, management, or control of the same person, persons, firms, corporation, or other entity, such as a shopping center or other multi-use facility, one free standing sign which shall not exceed 20 square feet shall be permitted for the parcel, parcels, development, or shopping center as a whole, regardless of the number of separate businesses operated thereon. The signs for each individual business must comply with the requirements of § 305-69B(1) above.