"8.08 Placement of Signs on Property. No sign, billboard, or other advertising device of any nature shall be placed upon any Lot, including property identification: signs, except by the Developers and except as provided herein and as are approved by the ARC. The ARC may adopt and promulgate rules and regulations relating to signs which may be used within the Property. The ARC may not adopt and promulgate rules and regulations prohibiting "political signs" as that term is defined by Section 442.404 of the Revised Statutes of Missouri, as amended. Nor may the ARC adopt and promulgate rules and regulations prohibiting the advertising of any Lot for sale within the boundaries of the Lot."