The warnings follow the introduction earlier this year of the Bribery Act, widely described as the most stringent anti-corruption legislation in the world.

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It will be very welcome: aid still makes up half of the government's budget, despite a decade of stalling on anti-corruption legislation that donors want to see.

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Lang Sheng, deputy head of the NPC's law committee, said further anti-corruption legislation would be one of the focal points of the congress's work in the coming years.

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