What documents can be accepted for right to work in Hong Kong?

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

Natural Hong Kong citizens
Hong Kong passport
National Identity card

Foreign citizens 
Hong Kong ID Card (for permanent HK residents)
Valid travel documents (for non-permanent HK residents)
Documentation from Immigration Department

In cases where the person does not need to be registered pursuant to the Registration of Persons Ordinance:
A valid travel document
A Vietnamese refugee card
A certificate exemption

All of these documents can be uploaded securely through Zinc.