Traveler must obtain business visa for business purpose or working in Cambodia. 30 days length of stay but can be extended up to 1 year.
Courtesy visas are granted to normal passport holder who wish to enter Cambodia on official duty or other purposes.
Official visas are granted for officials passport holder travelling to Cambodia solely for Official duties on behalf of their national government.
Diplomatic passport holders travelling to Cambodia to engage in official duties on behalf of their national government. Cannot enter on visitor visa.
Cambodian nationals traveling to Cambodia. This visa is permanent for the period of your passport. Need to re-apply when renew passport.