THE ICAC wants a formal system for referring corruption complaints between Hong Kong and the mainland.
Officials from the anti-graft body will travel to Guangzhou next month to negotiate the programme.
Commissioner Bertrand de Speville said yesterday he hoped China would agree that all corruption allegations linked to the territory should be passed to the ICAC for investigation.
He also envisaged a system where a 'handful' of cases each year might be given to the Chinese.
But he said the ICAC would not pass on allegations if the complainant were unwilling.
'But we are seeing a gradual increase in cases reported to us which have nothing to do with Hong Kong but occur entirely in China,' he said.
'It would probably be no more than a handful each year.