Global Witness also revealed a series of what it called "high level corruption and governance failure" over the last 18 months.
Mu Sochua said she would not pay the fine.
Cambodia insists it has been transparent in managing state revenue.
The ministry received 5,000 complaints since the beginning of 2009 from all around the country and has resolved 70 percent of them.
A donor meeting Wednesday and Thursday will focus on the government’s national development plan.
Two men were accused of incitement in an ongoing land dispute between villagers and a powerful ruling party senator.
The order now gives officials more authority to act against squatter communities who may not be getting enough compensation.
Villagers here say the dams and the power they generate are not worth the cost.
The educational meeting was an effort to convince workers to refuse short-term labor contracts in favor of longer guarantees.
Nearly 2.2 million people visited Cambodia last year. About 1 million of those came from Thailand, either by air or road.
Across Cambodia about 4,000 women work as beer promoters in hundreds of beer halls.
VOA Khmer reporter Sok Khemara has earned the David Burke Distinguished Journalism Award.
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