2021-07-17 05:35:56 GMT2021-07-17 13:35:56(Beijing Time) Xinhua English WASHINGTON, July 16 (Xinhua) -- While financial leaders of the Group of 20 (G20) major economies have endorsed a deal to overhaul international corporate tax rules, questions remain over the ability of the Biden administration to persuade a deeply divided U.S. Congress to ratify the deal, experts have said. GLOBAL TAX DEAL "After many years of discussions and building on the progress made last year, we have achieved a historic agreement on a more stable and fairer international tax architecture," G20 finance ministers and central bank governors said in a communique after a meeting in Venice, Italy last week.