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.
Young Arklow Tennis Talent Secures Sponsorship for Elite Training in Mallorca
Revised Plan For Boghall Road Site Could Create 30 Jobs In Wickow
Wicklow Reach For The Stars Dreaming Of Dubs Upset
Parents “Left In The Dark” Over New Bray Special School – Brady
Village Life Beckons - Hotel To Become New Homes In Enniskerry