BAS Guides for Small Business

Straight-talking guides on BAS deadlines, lodgement, and staying on the right side of the ATO.

Deadlines

BAS Deadlines 2026: Every Date Sole Traders and Small Businesses Need

All quarterly, monthly, and annual BAS due dates for 2026. What happens when a deadline falls on a weekend, tax agent extensions, and late lodgement penalties.

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Getting Started

Lodging Your First BAS: A Plain English Walkthrough

Step-by-step from GST registration to hitting submit. What goes in each field, which reporting method to choose, and how to pay.

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Compliance

BAS Mistakes That Trigger ATO Audits (and How to Avoid Them)

The most common GST errors, what the ATO actually looks for, and why your accounting software defaults might be costing you.

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This site provides general information only. Always consult a registered BAS agent for advice specific to your situation.
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