Always wise inbetween then chunks paid to the Thai bank converted to THB , this way you can test first small payment also and the total transfer is really low. Wise is a pass through account not holding a balance, usually holds are triggered by balances. You just add , convert and move. If you are worried about holds again do small amounts
If you’re paying taxes in Australia why would they chase for taxes in Thailand ? There is a lot of complexity on tax and no confirmation they will even chase tax on a DTV