Chief Cabinet Secretary Osamu Fujimura said Monday that Prime Minister Yoshihiko Noda should return any political contributions confirmed to have come from foreigners, who are barred by law from giving donations.
But Fujimura, a close ally of the prime minister, also said he sees the need to revise the law, stressing the difficulty of determining whether a donor is a Japanese citizen or not.
"Personally, I think some sort of revision is necessary," Fujimura said Monday morning without elaborating.
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