Boris Johnson has been warned not to make Britain the odd-one-out in a global campaign by rich countries against big time tax avoidance.
The call for an international minimum rate of corporation tax - the one large companies are expected to pay - is being led by US President Joe Biden.
It would hit giants like Google, Amazon and Facebook who legitimately slash their tax bills by “profit-shifting” from one country to another.
Britain is the only G7 country not to back the plan, even though the PM will preside over the summit due to discuss it in Cornwall next month.
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