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

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

Natural Kenyan citizens
Kenyan passport
East African Community passport (EAC - Uganda, Tanzania, Rwanda, Burundi and South Sudan)
National Identity card 

Foreign citizens 
EAC citizens: Relevant Identity cards
Non-EAC citizens:
Work permit
Alien ID card
Dependant's Pass

All of these documents can be uploaded securely through Zinc.