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Dynamic PAYGI & GDP Adjustment: What Businesses Should Know Before 2027

Businesses can opt into dynamic PAYG instalments and must note the updated GDP adjustment for GST and PAYGI instalments for 2026-27 income year.

By NomadicTax Research Team • 5-8 min read • August 22, 2026

## What’s Changing: Dynamic PAYGI - **From 1 July 2027**, eligible businesses will be able to vary their PAYG instalment payments to better reflect actual business performance—using **dynamic PAYGI** rather than fixed calculated amounts.([softwaredevelopers.ato.gov.au](https://softwaredevelopers.ato.gov.au/DynamicPAYGI?utm_source=openai)) - Businesses with a recent history of non-compliance may be required to report and pay **monthly**, even if they don’t opt in.([softwaredevelopers.ato.gov.au](https://softwaredevelopers.ato.gov.au/DynamicPAYGI?utm_source=openai))