6.3.10 Non-Accessory Signs. Non-accessory signs shall not be erected or maintained in
6.3.10 Non-Accessory Signs. Non-accessory signs shall not be erected or maintained in a Business, Limited Industrial or Industrial District, unless permitted under a permit lawfully issued, and remaining in full force and effect, by the Outdoor Advertising Authority, or by any board or official succeeding to its authority in the administration of Sections 29-33, inclusive of Chapter 93 of the General Laws, or any act in addition thereto or an amendment thereof and unless allowed by a special permit granted by the Board of Appeals, which special permit shall be granted only if the Board of Appeals determines that said sign shall not be detrimental to the neighborhood in which such sign is to be located nor to traffic and safety conditions therein nor otherwise detrimental to the public safety and welfare. Any non-accessory sign shall comply with the provisions of Section 6.3 as to illumination, movement, and construction and maintenance. Such sign shall not be: