Australia BAS GST Worksheet
Prepare your Business Activity Statement straight from the Odoo ledger — full GST calculation worksheet, PAYG & net amount
Generate a lodgment-ready BAS for any monthly, quarterly or annual period. The module follows the ATO GST calculation worksheet for BAS exactly — every label from G1 to G20, GST on sales (1A), GST on purchases (1B), PAYG withholding (W1/W2) and instalments (5A/5B), and the net amount (label 9). For Odoo 18 & 19 Community.
Full GST calculation worksheet
Total sales (G1), GST-free and export splits (G2-G4), the G5-G9 sales working, capital vs non-capital purchases (G10-G12), non-creditable splits (G13-G16) and the G17-G20 purchase working — all computed with the ATO divide-by-eleven rule.
PAYG & net amount
Enter PAYG withholding (W1, W2, W3, W4, label 4) and your PAYG income-tax instalment (5A) or credit (5B). The worksheet rolls up 8A and 8B and tells you the net amount payable to — or refundable from — the ATO.
BAS tax codes drive everything
Tag each tax with a BAS code — GST, GST-free, export, input-taxed, capital, private/non-creditable or adjustment. Posted invoices and bills in the period are classified automatically into the right worksheet label.
ABN validation
Your company ABN is validated against the official Australian Business Register modulus-89 checksum (plus ACN and TFN checks), so a malformed identifier never reaches a statement.
Lodgment-ready summary
A clean front-sheet shows exactly the figures you key into the ATO Business Portal or Online services for business. Export a canonical JSON envelope to archive or hand to your own ATO/SBR channel.
BYOK — you stay in control
Nothing is transmitted to any third party by this module. Accruals or cash GST basis, ATO financial-year quarters (Q1 Jul-Sep … Q4 Apr-Jun), and full audit trail via chatter.
How it works
- Enable the AU BAS worksheet on your company and enter your ABN.
- Assign a BAS code to each of your GST taxes.
- Run Generate BAS for the month, quarter or year.
- Add PAYG figures, review every label, then mark it lodged.
Screenshots
Bas Worksheet Bas 2026 0001
Bas Label Line Detail 1A Gst
Update date: 2026-07-02