Payment of compensation for accepted permanent impairment claims is made through the DOLARS system via the determination screen in R&C ISH.
See Permanent Impairment payments and overseas bank accounts [2] for international payments.
Links
[1] https://clik.dva.gov.au/user/login?destination=node/20738%23comment-form
[2] https://clik.dva.gov.au/military-compensation-srca-manuals-and-resources-library/permanent-impairment-handbook/ch-6-payment/61-determination-payment-interest-payable/permanent-impairment-payments-and-overseas-bank-accounts