Changes to stamp duty for the bulk buying of houses and duplexes came into effect overnight.
Purchases of 10 houses or more will now incur a 10 per cent stamp duty rate after the Dáil passed the resolution without a vote.
Opposition parties have said the move doesn't go nearly far enough and won't stop investment funds bulk buying property here.
Finance Minister Paschal Donohoe hit back at Sinn Féin criticism during last night's debate:
The new rules won't apply to the bulk buying of apartments.
Co-leader of the Social Democrats Roisin Shortall says this hole in the legislation will mean more young people being denied access to housing: