How to do Simpler BAS without Xero (free spreadsheet method guide)

Free one-page guide for GST-registered Australian sole traders: keep a sales/purchases list, then copy G1, 1A and 1B into the ATO Business portal yourself. Spreadsheet method. You do not need Xero.

Not tax advice. Not an ATO product. Not affiliated with the Australian Taxation Office. Check figures and due dates on ato.gov.au before you lodge.

Optional: TinyBAS is a one-time A$19 offline HTML worksheet that keeps the same running list: https://payhip.com/b/Bsukb

Instant download. HTML + README in the zip. Works from file://.