Under proposals being considered, if visitors from European Union (EU) countries wanted to work, study or settle in the UK they would have to apply for permission under the proposals.
EU citizens are currently free to live and work in the UK without a permit as Britain is a member country of the 27- member economic bloc.
However, after the country ceases to be a member of the EU by March 2019, the UK Home Office says managing migration is about access to work and benefits as much as the ability to control entry at a physical border.
According to 'The Times', the new system for EU visitors will be phased in after Britain officially leaves the EU, with those coming to work in the UK initially having to register with the Home Office without work restrictions.
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It would be up to the EU to decide whether the offer of visa-free travel - if it is formally proposed by the UK Brexit negotiating team - would be reciprocated.
Visa-free travel is not a new concept - Australian and American tourists can, for example, come to the UK for six months without a visa.
But they need an offer of a job with a UK employer and to meet language and other criteria to get a work permit and stay longer.
"The point is that a work permit system for EU workers would lead, in due course, to a massive decrease in net migration from the EU as low-paid workers (who comprise some 80 per cent of the inflow) are squeezed out. The reduction could, by our calculation, be about 100,000 a year," said Damien Green, chair of Migration Watch UK.
The special solution would be necessary as Ireland would remain part of the EU and accepting the free movement of citizens from the bloc.
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