Is it illegal to put up banners when the veterans are not satisfied with their placement?

It is not illegal for veterans to hang banners if they are not satisfied with the placement. It is generally not illegal to pull banners. However, if the perpetrator disturbs the order of organs, organizations, enterprises and institutions, public places and public vehicles, or affects the normal running of vehicles, if the circumstances are serious, it constitutes an illegal act, and he shall be detained for more than five days and less than ten days, and may also be fined less than 500 yuan.