Campaigners calling for reforms to the new Licence Bill will raise public awareness in South Street Square, Worthing, on Saturday.
They hope to draw attention, in a fun way, to the serious implications of the Bill and gather signatures for a petition calling for its wording to be amended.
Protesters argue the Bill will mean any premises, whether alcohol is sold or not, will need a licence before entertainment events take place.
Organisers could face criminal prosecution for events in unlicensed premises, with fines of up to £20,000 and/or prison sentences of up to six months.
Campaigners say a wide-range of events could be affected, including charity fund-raising, pub darts with spectators present and live music concerts, amplified or not.
But the Government says there will be numerous exemptions which will allow many of the events said to be under threat to take place without red tape.
The Bill is due back at the House of Commons in mid-March and could be given consent by the summer.
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