A ban on the sale of vapes to under 18s takes effect from the 22nd of December.
Penalties for breaking the new rules could include fines of up to €4,000 or six months in prison.
Other measures are due to follow next year, including action on e-cigarette sales in vending machines, and advertising.
Health Minister Wicklow TD Stephen Donnelly says the legislation is important.
Local TD Helps Gardaí To Remove Knife From A Distressed Man's Possession Near Leinster House
Fire Crews Successfully Battle Major Gorse Fire In Glencree National Park Overnight
Garda Renew Appeal For Info On Paul 'Frank' Byrne Found Murdered In Blessington
Nearly 1,000 Wicklow Children in Oversized Primary School Classes, TD Reveals
Uisce Éireann Warning As Six-Week Hosepipe Ban Takes In Stretches Along The N11 In Wicklow