The short answer
Provisional tax finance is short-term business funding used to pay a provisional tax instalment on time when cash is tied up elsewhere. It avoids late payment penalties and limits use-of-money interest. Tax pooling can also help with timing. LoansOne arranges unsecured loans and 1st or 2nd mortgages from $20,000 to $500,000.
Why provisional tax catches good businesses short
Provisional tax is the price of success. Inland Revenue asks you to pay income tax during the year, in instalments, once your end-of-year tax from your last return was more than $5,000. The catch is that those instalments are based on a year that has already happened, while the cash to pay them has to come from this one.
That gap trips up plenty of healthy Kiwi businesses:
- A strong year pushes up next year’s instalments just as you reinvest in stock, staff or plant.
- A seasonal business hits a provisional tax date in its quiet months.
- A large contract pays on long terms, so profit is booked well before the cash arrives.
- The end-of-year bill and the first instalment of the new year land close together.
Provisional tax finance bridges that gap. You pay IRD on time, keep working capital where it earns money, and repay the lender as your income catches up.
When are provisional tax instalments due?
For a 31 March balance date, Inland Revenue lists these dates:
| Option | Instalments | Due dates |
|---|---|---|
| Standard | 3 | 28 August, 15 January, 7 May |
| Estimation | 3 | 28 August, 15 January, 7 May |
| Ratio | 6 | 28 June, 28 August, 28 October, 15 January, 28 February, 7 May |
| AIM (GST filed two-monthly or six-monthly, or not registered) | 6 | 28 June, 28 August, 28 October, 15 January, 28 February, 7 May |
If your balance date is not 31 March, your dates shift, and myIR shows them. The end-of-year bill for most taxpayers with a 31 March balance date is due on 7 February the year after, and later if you are linked to a tax agent with an extension of time.
What does missing a provisional tax date cost?
Two separate charges can apply.
Late payment penalties. Provisional tax is income tax, so a missed instalment attracts a 1% penalty the day after the due date and a further 4% on day seven on the unpaid tax and penalties. The ongoing 1% monthly penalty does not apply to income tax, including provisional tax.
Use-of-money interest. This is where the option you use matters. Inland Revenue says:
- On the standard option, smaller taxpayers are generally only charged interest from the day after the end-of-year tax due date, while larger taxpayers can be charged from the final instalment date if earlier instalments were paid in full and on time.
- On the estimation option, interest is worked out on the difference between what you paid and your actual residual income tax, so a low estimate can cost you even if every payment was on time.
- On the ratio option, if you pay on time, IRD does not charge interest on your provisional tax.
- On AIM, IRD charges interest if you pay late or underpay.
Interest is calculated daily, does not compound, and IRD confirms it is deductible for business purposes. It is not a penalty, but it is still money out the door. Your accountant can tell you exactly which rules apply to your file.
How does tax pooling fit in?
Tax pooling is a legitimate, IRD-recognised way to manage provisional tax timing. Instead of paying IRD directly, you pay a registered tax pooling intermediary, which holds funds in an account with Inland Revenue. When money is transferred from the pool to your tax account, IRD treats it as paid on the date it originally went into the pool.
That creates two useful options:
- Buying tax after the date. If you missed or underpaid an instalment, you can often buy pooled tax that was deposited on the original due date, which can reduce use-of-money interest. Inland Revenue’s rules allow an intermediary to flag your income tax account up to 75 days after the end-of-year due date where a pooling agreement is in place, and give 60 days to transfer funds for a reassessment.
- Deferring for a fee. Some intermediaries sell arrangements that let you pay later while your payment is still treated as on time. This is a form of finance, priced by the intermediary.
Tax pooling covers provisional tax, income tax reassessments and the interest on them. It does not cover GST or PAYE. If those are in arrears too, see our pages on GST and PAYE debt loans and IRD debt loans.
Provisional tax finance vs tax pooling vs IRD instalments
| Business loan | Tax pooling | IRD instalment arrangement | |
|---|---|---|---|
| What it pays | Any tax, or anything else the business needs | Provisional and income tax only | Overdue tax already owed |
| Timing benefit | Pay IRD on the due date | Payment dated to the pool deposit | None, debt is already late |
| Use-of-money interest | Avoided or limited by paying on time | Can be reduced | Continues, built into instalments |
| Cost | Lender pricing on your circumstances | Intermediary fee or interest | IRD interest and some penalties |
| Term | Agreed with lender | Usually short | Agreed with IRD |
| Leaves cash in the business | Yes | Yes, if deferring | Yes, but you remain an IRD debtor |
There is no single right answer. A loan wins when you need flexibility beyond provisional tax, such as covering an end-of-year bill, GST and a cash flow gap together. Pooling wins when timing is the only problem and the amount is clear. Compare total cost over the same period with the compare loan offers tool.
Which loans suit provisional tax?
- Short-term business loans match the problem: you need cash for months, not years.
- Unsecured business loans from $20,000 to $500,000, assessed on your trading, with no property security required in most cases.
- Second mortgages if you own property and want a larger amount without touching your bank. No cash flow or financial records needed.
- Line of credit for businesses that face the same squeeze every year and want to draw only when a date arrives.
LoansOne never quotes one-size-fits-all pricing. Every loan is priced on your individual circumstances, and the team works to get the sharpest rate available for your situation.
Two scenarios
A Canterbury dairy contractor. A record season of harvesting and cultivation work pushed residual income tax well up. The following August instalment arrived while the business was paying deposits on a new baler and the cash from autumn invoices was still coming in. A short-term unsecured loan covered the instalment on time, and the contractor repaid it from spring work. For more on rural cash cycles, see farm business loans.
A Queenstown tourism operator. The 15 January instalment lands in peak season, but the 7 May payment arrives as visitor numbers drop. The owner uses a line of credit to cover the May instalment and the winter wages, then clears it once the ski season starts. Our guide to seasonal business cash flow covers this pattern in detail.
These are illustrative scenarios, not real clients.
Signs you should plan funding before the due date
Provisional tax rarely comes as a true surprise. The amount is usually known months ahead. If any of these apply, line up funding early rather than scrambling in the final week:
- Your residual income tax jumped after a record year, so next year’s instalments will be bigger.
- You are spending heavily on stock, plant or staff in the months before an instalment.
- Your busiest trading months fall after the 28 August or 7 May dates.
- A large debtor pays on 60 or 90 day terms.
- The end-of-year bill and a new instalment are landing close together.
Starting an application two or three weeks early gives time to compare options properly, including whether pooling, a loan or a mix of both works out cheapest. It also means you are not paying for speed you did not need.
Getting your application ready
- Your provisional tax notice or myIR summary showing the instalment due
- Three to six months of business bank statements
- Photo ID for owners or directors
- Property details if you want a secured option
Check where you stand with the cash flow gap calculator before you apply. Starting an enquiry does not mark your credit file, and your details are not sent to dozens of lenders. An expert reviews your file and matches you to the right lender.
Next step
Paying provisional tax on time is cheaper than paying it late. If an instalment is coming and the cash is not, apply in about 30 seconds or call 09-888 5252. Next-day funding is possible, so there is still time to get it sorted before the due date.
