Proof of COVID status is required for those attending the outdoor event, Enchanted Winter Garden.
This applied to all those aged 18 and over.
The event takes place at Antrim Castle Gardens from Saturday 27 Nov to Tuesday 21 Dec.
You will be asked to verify your COVID status through proof of vaccination or by taking a lateral flow test.
There will be no enforcement however until December 13.
The grace period on the scheme will allow for a bedding-in of the regulations.