An independent advisory body to the ICAC has recommended that investigators close the file on the scandal surrounding former financial secretary Antony Leung Kam-chung's purchase of a luxury car. The Operations Review Committee, which advises on how completed Independent Commission Against Corruption cases should be dealt with, is understood to have discussed the issue at its regular closed-door meeting yesterday after receiving a case report from commissioner Raymond Wong Hung-chiu. But unlike the Department of Justice, which took the rare step last month of disclosing its decision not to press charges against Mr Leung, the committee decided not to disclose its deliberations yesterday. An ICAC spokeswoman said committee members decided unanimously that the principle of confidentiality should be maintained. 'Deliberations and advice given to the ICAC on specific cases will not be disclosed,' she said. But it is believed the committee has advised the ICAC to close the file in view of the lack of new evidence to continue the investigation. The Department of Justice said last month that while there was a prima facie case against Mr Leung, who bought a Lexus before announcing an increase in the luxury car tax last year, it could not prosecute him for misconduct in public office as there was insufficient evidence to prove his actions had criminal intent. Democratic Party legislator James To Kun-sun has called on the committee to disclose its views on the case if this does not undermine future investigations by the anti-graft body. He says there is public concern over the scandal.