BAS & IAS
Automation
Real-time GST reconciliation, automated PAYG calculations, and STP cross-checking — lodged on time, every time. Never worry about activity statement deadlines again.
Australian Standards
What Are BAS & IAS?
A Business Activity Statement (BAS) reports your business's GST, PAYG withholding, PAYG instalments, and other tax obligations to the ATO. An Instalment Activity Statement (IAS) covers PAYG obligations for businesses that report GST less frequently. Getting these right is critical — errors trigger ATO audits, penalties, and cash flow disruptions.
Quarterly BAS Due Dates
| Quarter | Period | Due Date (Tax Agent) |
|---|---|---|
| Q1 | July – September | 25 November |
| Q2 | October – December | 28 February |
| Q3 | January – March | 28 May |
| Q4 | April – June | 25 August |
Using a registered tax agent like Numberz may provide extended due dates for most quarters.
What Sets Numberz Apart
Real-Time GST Reconciliation
Our engine continuously reconciles your GST collected and paid against your accounting data, catching miscodings before they become ATO issues.
PAYG Withholding & Instalments
Automatically calculate and report PAYG withholding from wages and PAYG income tax instalments, cross-referenced against your STP submissions.
STP Cross-Checking
We validate your BAS figures against Single Touch Payroll data to prevent discrepancies the ATO flags in automated reviews.
Deadline Management
Automated reminders and pre-lodgement checks ensure your BAS is prepared, reviewed, and lodged before every due date — no penalties, ever.
Error Detection & Alerts
AI-powered anomaly detection flags unusual GST claims, duplicate entries, and coding errors before your BAS is finalised.
Cash Flow Forecasting
See your upcoming GST and PAYG obligations projected forward so you can plan cash flow and avoid surprises at lodgement time.
How It Works
Connect Your Data
Link Xero, QuickBooks, or MYOB. We import transactions automatically throughout the quarter.
AI Reconciliation
Our engine reconciles GST, PAYG, and STP data in real-time — flagging issues as they occur.
IPA Review
A registered BAS agent reviews all figures, adjustments, and coding before submission.
ATO Lodgement
We lodge directly with the ATO via SBR gateway and you receive instant confirmation.
Frequently Asked Questions
Never Miss a BAS Deadline Again
Let Numberz handle your activity statements — automated, IPA-reviewed, and always on time.
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