Leo Varadkar also suggested separate courts system, police and health service.
The Tánaiste has suggested Northern Ireland would keep a separate parliament, courts, police and health service under a United Ireland.
Leo Varadkar was speaking at the Ireland's Future conference at the Three Arena yesterday, which saw speakers discuss what reunification might look like.
He was booed by a small number of the crowd.
Fianna Fáil TD Jim O'Callaghan also said the north may keep a separate parliament were it to come to pass.
Taoiseach Micheál Martin says reunification will be a slow process, and getting Stormont up and running needs to happen first:
The Taoiseach says the make-up of a United Ireland could take many forms.
But he says consensus is key:
Offaly Woman With Dwarfism Shares Experience Of Job Hunting
Offaly Farmer Who Chased Off Armed Raiders Featured In New TV Documentary
Revenue Officers Seize Contraband Worth €173k
Laois Woman Urges People To Think Twice Before Commenting On Appearance
New Novel Reimagines Princess Margaret’s Tense 1965 Visit To Laois
Fuel Protest Group To Meet In Westmeath Over Cost Of Living
Laois Court Hears Of Child Being Swung Around By Legs
Fish Kill In Offaly River Leaves Almost 70 Fish Dead