Civil society organisations called for migrant workers to be included on the voter.
The order follows a suggestion sent by the Labour Ministry last month.
When Voeun Von overheard plots to kill him on a Thai fishing vessel, he decided he had a better chance of surviving in the ocean.
Foreign Affairs says it will support Cambodian migrants abroad, as workers continued to return home from Thailand.
Thirteen returning Cambodian migrant workers have been hospitalised in Thailand.
The Ministry of Labour requests action against fraudulent agencies recruiting migrant workers via radio advertisements.
A crackdown on illegal workers in Thailand has frightened many migrants.