BAS and GST cash-flow loans: when the tax quarter lands before the cash does

Few things sneak up on a small business like a BAS. The customer paid in July, you spent the money in August, and in late October the ATO wants the GST on that sale. If the cash has gone elsewhere, the quarter lands like a dropped tray.

What is in a BAS, and why can it be so large?

A business activity statement is how you report and pay GST and PAYG instalment amounts, and many businesses use it for PAYG withholding as well. All of those can be due in the same statement.

Think about what sits inside it:

• GST collected on your sales, less GST credits on your purchases.
• PAYG withholding from wages, held on trust for the ATO.
• PAYG instalments, which are prepayments towards your income tax, and business.gov.au has a page explaining how they work.

When sales are strong, the GST collected rises. When sales are strong, wages often rise too. So your best quarter can also be your biggest BAS.

When are BAS payments due?

According to the ATO, quarterly lodgers (generally GST turnover under $20 million) lodge and pay on these dates:

Quarter	Period	Due
Q1	July to September	28 October
Q2	October to December	28 February
Q3	January to March	28 April
Q4	April to June	28 July

Online lodgers and clients of registered tax or BAS agents may have extra time, though not for Q2, which already includes an extension. Monthly lodgers lodge and pay by the 21st of the following month. Always confirm your own due date on the ATO website or with your agent, because yours may differ.

Do I have to be registered for GST?

The ATO says you must register for GST if your GST turnover is $75,000 or more, and within 21 days of reaching it. Non-profit organisations have a higher threshold of $150,000. If you are not sure whether you are over the line, ask your accountant or the ATO.

What are my options if I can’t pay?

Work through them in this order:

1. Lodge on time regardless. Even if you cannot pay in full, lodging keeps your record clean.
2. Contact the ATO early. Business.gov.au says to call 13 11 42 about unpaid tax. Early contact tends to produce better outcomes than silence.
3. Check the cause. Was it a one-off, a growth spurt, or a habit of spending the GST?
4. Consider bridging finance if the cause is timing and the business can repay.
5. Seek help. The free Small Business Debt Helpline is available on 1800 413 828.

When does a BAS loan make sense?

It tends to fit when:

• a large customer paid late and your cash will recover within weeks;
• you had a growth spurt that inflated the GST for a quarter;
• you want to pay on time to avoid penalties while waiting for receivables;
• the alternative is draining the wages account.

It fits poorly when the BAS shortfall is a symptom of spending the tax money every quarter. In that case, borrowing repeats the pattern and adds repayments to it. Our page on funding a tax bill goes into the distinction.

For trading businesses, unsecured funding is typically $5,000 to $500,000, sized on turnover and bank statements. A short-term business loan is a common shape, and same-day funding is possible for smaller unsecured amounts.

How do I stop it happening again?

Build a jar system. Whenever money lands, move a slice for GST, PAYG and super into a separate account straight away. The tax-dough jar guide shows how to size the slices and when to top them up.

Also ask your accountant whether your reporting frequency suits your cash rhythm, since the ATO notes that some businesses benefit from monthly reporting. The Dough gap calculator can show the cost of waiting for customers, which is often what pushes a BAS into trouble.

What does a lumpy quarter look like in numbers?

An illustration with no real business behind it. A landscaping company has a strong spring. It invoices $120,000 in the quarter, so it has collected $12,000 of GST, offset by $3,000 of GST credits on purchases. It also withheld PAYG tax from wages and owes a PAYG instalment. Suppose the combined BAS comes to $19,500.

If the company’s customers settled late, it may have $60,000 sitting in unpaid invoices and only $8,000 in the bank when 28 April arrives for the March quarter. The business is profitable and still cannot cover the BAS.

That is the textbook case for bridging: the money exists, but it is stuck in receivables. The sensible move is to size the gap precisely, borrow only that amount and repay it when the invoices land. Our late-paying customers page covers the receivables side.

What if I also have older tax debt?

ATO debt is considered case by case when you apply for funding. Overdue lodgements raise more questions than a payment plan does, so catch up your lodgements first if you can. See bad-credit business loans for how lenders read a rough tax history.

Next step

If the quarter is close and the cash is not, tell us about it. Include the BAS amount, the due date and the cause of the shortfall. A lending specialist reads your enquiry and rings you. There is no credit check just to ask, and your details are not sent out to a stack of lenders.

Accurate figures let us skip the guesswork and get to the right option in the first call. See if you qualify before the due date, not after.