Walkthroughs · 15 min

Prepare your first BAS

Check your figures and approve the draft.

Updated 3 November 2026 · Plain 0.110.0

  1. Step 1 of 4

    Make sure everything's in

    Approve all invoices and bills for the period, and approve the pay runs paid in it. Match your bank lines so nothing is missing.

  2. Step 2 of 4

    Open Tax & filings

    Go to Tax & filings. Plain shows the period's figures, worked out from your coded lines.

  3. Step 3 of 4

    Check the figures

    Select Review source reports to see the invoices and bills behind each figure. Fix any wrong GST codes on the documents.

  4. Step 4 of 4

    Approve and lodge

    Select Complete authorised review. Then copy the figures into ATO Online services for business, or your BAS agent's portal and lock the period.