Business visa can still be used for working?

I am a Sri Lankan. I want to come to work in Cambodia. When I searched for details, I found a news article. According to it, Cambodian government is going to implement new regulations and introduce a work visa for foreigners. This is the web link for the article http://www.cambodiadaily.com/news/work- … ers-67224/     . I want to know whether it is possible for me to work under a business visa.
Also, if anybody knows something about the Cambodian business visa for Sri Lankans, please let me know. It will be valuable for me.

These are no new regulations. They just enforce implementation now.

You will need both a business visa and a work permit to work in Cambodia. Your employer will (hopefully) take care of the work permit. If you plan to work self-employed, it will be your responsibility though (and, just as a note ahead, that's gonna be a pain in the neck.)