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.
Bayon TV said it collected more than $2.5 million in the week following the deadly bridge stampede.
The seven-day ceremony is meant to put the souls of the dead at ease.
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.
It has been screened for professors of political science, human rights, law, genocide and Southeast Asian studies over the past weeks.
Monday marked the seven-day funeral ceremonies for the 351 casualties, a figure revised upward Monday from 345.
Cambodian-Americans gathered at their embassy in Washington on Wednesday to pay their respects to those who died on Diamond bridge.
The 2011 budget that the Cambodian National Assembly recently passed totaled to $2.4 billion.
People were pressed from all sides on the bridge, three survivors of the tragedy, which claimed 347 lives, told “Hello VOA” on Thursday.
By Friday evening, Bayon TV had raised more than $1.08 million and CTN had brought in more than $500,000.