The guidelines were issued based on the orders of the Kerala High Court, which has, at regular intervals, issued orders directing the complete removal of unauthorised banners, flex boards, flag decorations and similar materials installed in public places, roadsides, footpaths, handrails, centre medians and traffic islands in the State

https://www.thehindu.com/news/national/kerala/keralam-issues-guidelines-to-remove-unauthorised-flex-boards-initiate-prosecution-againt-offenders/article71460531.ece