What 'legal paperwork' do I need
 

I'm an international producer, we run a brand spanking new team in South Africa. I realize different territories need different regulations in place. Apart from a signed consent form from the model and a copy of their ID, is there anything else I need to make this legitimate and legal to trade cross-border?

google 2257 release.

also have your own model release

and Take a pic of the talent holding two forms of Id