Out of the five that agreed to the new rules, only two have accepted emergency funds by the government.
The five banks that have signed up to the new rules are Barclays, HSBC, Lloyds, RBS and Standard Chartered.
While the curbs do not limit bonuses, the changes will include the banks having to disclose all such payments.
The chancellor said UK banks were leading the way, and he expected them to set the global standard for others.
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