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ATMD(I'm new)I'm new
20 Apr 2026

I made a mistake in my business GST BAS quarters from February 2024 to April 2025. In those quarters I had monthly payments for business equipment on finance under a rental agreement, that I reported incorrectly on in my BAS. I was supposed to report GST on Expenses but put them down as BAS Excluded on accident as I forgot it was a Rental Agreement and no GST was claimed at the commencement of this agreement like you would normally when financing equipment.


After the April 2025 quarter this mistake was rectified and I have since started claiming the GST on the finance payments, but I recently spoke to a friend about this who said I should look into how I can get the GST return for those mistakes as it adds up to roughly $2300 from 14 months of finance payments.


Is this possible to do and if so how would I go about contacting the ATO to organise as they don't seem to have a dedicated team for GST BAS mistakes.


*I do all my accounting work myself*



Thank you and kind regards

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1 replies
32 views
1 replies

All replies

YellowPotato(Taxicorn)Taxicorn
20 Apr 2026

I think this would be better to ask a tax agent or BAS agent or ATO's technical advice


I think you were meant to treat it as if you got a loan from the seller, bought the equipment using that loan, claim GST at the start and your repayments don't have GST as it's for repaying a loan from the seller (interest charged should still be an expense)

As for correcting, you can correct mistakes in the original BAS or next BAS. And it's corrected within 4 years of the mistake

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How do I fix mistake in my business GST BAS quarters | ATO Community