It also insisted that the regime is "temporary" and "the government would closely monitor the effects of these tariffs on the United Kingdom economy". This would not involve any infrastructure or checks at the border including in Northern Ireland.
They insist that such measures will be temporary and claim it is the only way to prevent a hard border on the island of Ireland - something Dublin has been trying to ensure with the EU's backing.
Speaking Wednesday evening during the Brexit votes in the House of Commons, which saw control of the Brexit process all but torn from the hands of the Government by rebel Members of Parliament, Varadkar said that Brexit is "a decision that we deeply regret in Ireland and across Europe", reports the Irish Journal.
Britain will not introduce any new checks or tariffs on goods moving across the land border into Northern Ireland in the event of no deal Brexit - but critics warn it could become a smugglers' route into the UK.
Under the plan, exporting directly from the RoI to Great Britain means firms will face tariffs on their agricultural goods.
The UK will not introduce any new checks or controls on goods moving across the land border into Northern Ireland if the UK leaves the European Union without a deal, it has been announced.
Zero tariffs would be applied to items such as footwear, aluminium and steel, machinery, paper and wood products, and weapons and ammunition.
MPs rejected the EU Withdrawal Agreement by an overwhelming majority - 391 voted against the deal compared to 242 in favour. Small businesses trading across the border and not now Value-Added Tax registered would be able to report Value-Added Tax online periodically, without any new processes at the border.
The government said it recognises that Northern Ireland's businesses and farmers will have concerns about the impact that the government's approach will have on their competitiveness.
Proposed tariff rates on a range of food products were announced as a proportion of the so-called "most favoured nation" (MFN) now imposed by the European Union on imports from countries which do not have a free trade agreement.
It says the plan recognises the unique circumstances of Northern Ireland.
'But we will do all we can to support people and businesses across Northern Ireland in the event that we leave without a deal.
Coveney said that the move could inflict €800m (£696m) in damage to Ireland's agriculture sector, since it would be forced to compete with goods from countries like Brazil. These arrangements can only be temporary and short term'.