Hi KyBenno,
Thank you for your post and welcome to the Community Forum.
In this regard, if you are an individual taxpayer or sole trader, you can make a request to start PAYG installments using your myGov account linked to the ATO’s Online services. Select Tax, then Manage, then Enter PAYG installments. You can check out this Help Article: Recording your ATO payment or credit has detailed information that you can use as a reference.
If you have questions or concerns, please feel free to post again. We are happy to assist you.
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Kind Regards,
Cel