Section R. 247.276 - Contents of bannersRule 76.
(1) A banner shall not have displayed thereon any legend or symbol which may be construed to advertise, promote the sale of, or publicize any merchandise or commodity, or to be political in nature.(2) A banner shall not have displayed thereon any legend or symbol which is or purports to be an imitation of or resembles, or which may be mistaken for, a traffic control device, or which attempts to direct the movement of traffic.(3) Decorations shall not include flashing lights that may be distracting to motorists.Mich. Admin. Code R. 247.276