Liu Jiayi, head of the National Audit Office (NAO), made the announcement while briefing lawmakers on a work report about correcting problems found in an audit of the central government's 2014 budget and fiscal revenues and expenditures.
Liu said the amount of money brought in during the correction had reached up to 580 billion yuan (USD 90 billion) by the end of October. Close to 6,000 items in the government rules and regulations were formulated and revised in the process, the top auditor said.
In particular, auditors found that over 780 billion yuan (USD 120 billion approximately) originally earmarked for land transfers was misappropriated by crooked officials to fill administrative expense gaps, lent to others or used to construct new office buildings and venues.
Violations were also detected in transactions and approval of mining rights and in the use of key national special funds.
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An audit involving 2,448 mining rights suggested malpractice in about one-third of cases, while separate probes revealed that close to 10 billion yuan in urban security housing funds and some 1.7 billion in lottery funds were misappropriated and syphoned off by officials.
"Overall, relevant government departments, institutions and local governments have rectified problems found in the audit earnestly and in a timely manner and are working to improve relevant regulations," Liu said.
Chinese President Xi Jinping launched massive anti- corruption campaign since he took over in 2013 during which thousands of officials were punished.