Special promotion and event signs, including banners, streamers, advertising flags, twirlers, suspended signs and sandwich board signs, in nonresidential zones may be granted by permit from the Township Zoning Officer. Special promotion and event signs may be displayed for not more than 30 consecutive days within any established business quarter. A waiver from the above requirements and restrictions can be requested from the Township Council. Special promotion and event signs must be a minimum of 10 feet from any property line and shall not impede, restrict, or otherwise interfere with sight distances in and around the special promotion and event signage.