You'll need provide a copy of your current passport as well as your paid Working with Children card. If you don't have a current Passport then you can provide a copy of your drivers licence (front and back) and birth certificate, this will satisfy the Stripe Know your Customer checks and demonstrate your eligibility to work in Australia. You will also need to advise your bank details (BSB and Account number) for your coaching payments. If are on a visa you will need to provide your visa documentation for verification also.