The CAPDI is part of the International Conference of Asian Political Parties, which is made up of 300 members.
Some 2,700 people from 14 provinces contributed corruption complaints earlier this year.
The Diamond Bridge stampede left 351 dead and 395 injured at last count, one of the worst disasters in Cambodia, in decades.
Prime Minister Hun Sen said on Monday no one would be fired as a result of the disaster, and that no single person deserved the blame.
Monday marked the seven-day funeral ceremonies for the 351 casualties, a figure revised upward Monday from 345.
The 2011 budget that the Cambodian National Assembly recently passed totaled to $2.4 billion.
The observer dismisses the transferring of cases to local courts as a plausible solution to the court's financial problems.
In a joint statement by 66 NGOs last week, groups said they wanted to contribute meaningful input to the draft law.
Cambodia owes the US more than $400 million in war-era debt from the Lon Nol government.
The USS Mustin, based in Yokusuka, Japan, is a guided missile destroyer, carrying 300 sailors onboard.
Thailand is the world's largest rice exporter, followed by Vietnam, and Cambodia meanwhile exports about 100,000 tons per year.
Cambodian and Thailand may have broken a deadlock in a three-year border dispute.