Britain's International Trade Secretary Liz Truss walks through Downing Street in central London on Sept 22, 2020 to attend the weekly meeting of the cabinet.

LONDON - Britain and the United States exchanged their first tariff offers during the fourth round of trade talks, allowing a series of detailed market access discussions to be held, the UK’s Trade Secretary Liz Truss said on Tuesday.

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“The exchange of tariff offers is a notable milestone, and the speed at which this stage has been reached demonstrates the momentum behind these negotiations,” Truss said.

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The fifth round of talks will take place in mid to late October.