The UK will impose a two-week quarantine, with fixed penalty fines of £1,000 for any breaches, from June 8, Home Secretary Priti Patel has announced.
Passengers will have to fill a form providing their contact and travel information so they can be traced if infections arise and could be contacted regularly during the 14 days to ensure their compliance.
Breaches will be punishable with a £1,000 fixed penalty notice in England, or prosecution with an unlimited fine, while devolved nations can set out their own enforcement approaches.
Anyone arriving by air, sea or rail will be advised to use personal transport to head to their accommodation and once there not leave for 14 days. But it will not apply to people coming from Ireland, medics tackling Covid-19 and seasonal agricultural workers.
Ms Patel said: "As the world begins to emerge from what we hope is the worst of the coronavirus pandemic, we must look to the future and protect the British public by reducing the risk of cases crossing our border.
"We are introducing these new measures now to keep the transmission rate down and prevent a devastating second wave.
It comes as the Government revealed the R-rate had stayed steady since last week.
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