What documents can be accepted for right to work in Vietnam?

To perform a right to work check in Vietnam, the following documents can be accepted: 

Natural Vietnamese citizens
Vietnamese passport
Passports outside of Vietnam 
National ID card
Citizen certificate 
Certificate  of naturalisation
Notarised citizenship confirmation letter issued by local government authority/foreign consulate/embassy

Foreign citizens 
Valid visa
Resident permit
Employment permit/pass

All of these documents can be uploaded securely through Zinc. 

Check out more detailed information on running employment background checks in Vietnam.