Market operator's licence
A Market Operator’s Licence is required for carrying on a private market including car boot sales) by any person other than a local or public authority at which goods are offered by more than one seller for sale to the public. You may not need a licence if the proceeds are used for charitable purposes or not for private gain, or the market is only for the sale of livestock, fodder or grain.
Conditions may be attached to the licence as to opening times, provision of toilets, layout of market and public safety. You must comply with the conditions.