Late payment is going to happen — how do I know if I should worry?

Reference guide from Amplifai — the structured AI workspace for NZ business decisions.

Decision · Making the money make sense

Some of your customers pay on the day. Some pay a few days late. Some pay a few weeks late. Some pay only after you chase them. A small number will eventually pay only after you've written them off and stopped expecting it. That's normal. It's a property of running a business that extends credit to customers — which most businesses do, even when they don't think of themselves that way.

The question isn't whether you can stop it. You mostly can't, and the operators who try hardest to stop it are often the ones losing the most time to the chase. The question is whether what's happening in your receivables right now is normal for you, or whether it's drifted into territory that needs attention.

Your accounting software will tell you who currently owes you what. It won't tell you whether that's worse than last month, or whether one customer is gradually becoming a bigger share of the problem, or whether your collection performance has slipped from where it usually sits. The fifteen-minute monthly discipline below tells you that.

What your accounting software does and doesn't show

Xero, MYOB, and similar products produce an Aged Receivables Summary at the press of a button. You can see total receivables, the aging buckets (current, 30+ days, 60+ days, 90+ days), and per-customer breakdowns. Automated reminders go out on whatever schedule you've configured.

They also do a fair bit more for getting paid faster — electronic invoicing, payment links on invoices that let customers pay by card or direct debit straight from the email, automated reminder cadences, eInvoicing through the standard NZ government framework. None of these cost extra on standard plans. Most operators are paying for them and not using them. The Xero 2023 Money Matters report found that only 46% of NZ small businesses had set up direct debits and only 45% were using accounting software to track payments — so roughly half are leaving features they've already paid for switched off. If you're in that half, turning them on is genuinely the first move before any of the rest of this entry.

What the standard software doesn't show natively is whether anything's changing. The snapshot tells you where you are; it doesn't tell you whether that's where you've been sitting for the past six months, or whether you've drifted there over the past three.

Paid add-ons — Xero Analytics Plus, Fathom, Float, others — will trend this for you automatically, along with a lot of other things they do well that may justify the subscription on their own. If you're already paying for one of them, the data's there. The catch — and this is operator experience speaking, not a marketing claim — is that dashboards stop being looked at. Another pie chart on a dashboard you glance at once a month isn't the same as four numbers you wrote down last month and are writing down again now. The friction of writing them down is what makes you look. If you've found that the dashboards in your existing tools aren't producing the actual discipline of paying attention, the manual approach below is the alternative. If they are, you don't need the rest of this entry — close it and get on with your day.

The fifteen-minute monthly check

Once a month, open your Aged Receivables Summary. Whatever day works — month-end, the first of the month, the day you do GST. The point is regularity, not which day.

Write down four numbers:

Total receivables. The headline figure. The total of everything customers currently owe you.
Total overdue. Anything past its due date. The 30+, 60+, and 90+ buckets added together.
Largest single customer balance. The biggest amount any one customer owes you right now, including current invoices.
Number of customers in the 60+ bucket. How many separate customers have invoices that are now more than 60 days overdue.

Write them in a notebook. Write them in a spreadsheet. Write them in a text file on your phone. Whatever works — the format doesn't matter, the writing-down does.

Then look at the numbers from last month, and from three months ago if you've been doing this that long. That's it. That's the discipline.

What the four numbers tell you

The numbers individually tell you almost nothing. The numbers compared to last month and three months ago tell you most of what you need to know.

Total receivables drifting up. If your business is growing, this is fine and expected — more sales means more outstanding invoices on the way to being paid. If your business isn't growing and this number is still drifting up, money is sitting in receivables that didn't used to. Worth a closer look.

Total overdue drifting up faster than total receivables. This is the clearest signal that collection is slipping. The shape of your book is shifting from current toward overdue. Something has changed — your terms, a particular customer's behaviour, your own follow-up cadence, or the market your customers operate in. Worth identifying which.

Largest single customer balance growing. Too much of what you're owed is tied up with one customer. Even if your total receivables look normal, having an increasing share of them sitting with one customer means a single payment problem at their end becomes a problem at yours. The number doesn't tell you to fire the customer — it tells you to notice the dependency before it bites.

Number of customers in the 60+ bucket increasing. If this stays at zero or one, you have isolated cases. If it's drifting up to three, four, five customers, the issue isn't one customer who's a problem — it's something about how your business is collecting, or who you're trading with, that's letting more of them slip past 60 days.

The threshold for should I worry isn't a number. It's a pattern. One bad month is a data point. Three months of drift in the same direction is a signal worth acting on.

When the signal means do something

Most months, the numbers will be roughly stable. Most months, doing nothing is the right answer — keep running the discipline, note the numbers, get on with the business. The discipline's job is mostly to confirm everything's fine, which it usually is.

When the numbers do shift, talking to your accountant is usually the first call before you decide which lever to pull — and the four numbers above are exactly what they'll want to see. With or without that conversation, the four shifts have different remedies:

Total overdue creeping up across customers suggests a follow-up problem. Are your automated reminders going out? Are they being followed up with a human contact when they don't produce payment? The fix is usually in your invoicing-to-collection sequence, not in your customer base.
One customer growing larger and larger as a balance is a customer-specific conversation. Either they're a great customer you want to keep but who needs structured payment terms, or they're becoming a problem you need to scope before it gets bigger.
The 60+ bucket growing is a credit-and-terms question. Are you letting too many customers buy on account relative to what your business can absorb when they pay late? Are your terms too generous for the customers you've ended up trading with? This is about how you're set up, not what you're doing about it day-to-day.
Total receivables drifting up faster than sales is a working-capital question — and not one this entry handles. See working capital and the cash squeeze for what to do about it.

The entry isn't trying to teach the remedies in detail. It's trying to teach the recognition. The remedies follow from recognising which shift is actually happening.

What the discipline doesn't replace

When a specific customer escalates past the point where ordinary follow-up will recover the money — when you're considering the Disputes Tribunal, a statutory demand, a debt collector, or a lawyer's letter — that's a case-level decision the case-level entry handles. See chasing unpaid invoices for the statutory tools and when each one earns its place.

When the question is about your overall cash position — will I make payroll next month? — that's a forward-projection question, not a receivables-pattern question.

When the question is why is my profitable business running out of cash? — that's working capital, and the receivables book is one piece of a larger cash cycle.

When the check tells you that receivables are tying up cash you genuinely need now, and the structural fixes are too slow — your bank is the first conversation. Invoice finance facilities (BNZ CashFlow Plus is the named bank product; ScotPac, Heartland, and others operate in the non-bank space) advance you 80% or so of your invoice value while you wait for the customer to pay. The costs vary widely between bank and non-bank, and the non-bank options can cost a lot more than they look like at first glance once you do the maths on the fees over a year. Worth knowing they exist; worth being deliberate about whether they're the right fit before you sign.

This entry handles the do my receivables look normal for me question. It hands off to other entries for the questions that grow out of the answer.

A pattern most operators don't notice until it bites

Operators who don't run this kind of discipline tend to absorb the consequences of receivables drift personally before they notice it in the business. Xero's 2023 Money Matters report on New Zealand small businesses found that 46 percent of business owners and 60 percent of sole traders weren't paying themselves at the time — and when small business owners experience cash flow issues, the first thing to go is usually their own pay, then suppliers, then the rest.

That's the actual cost of not noticing. Not the eventual write-off of a specific customer's invoice — most of those resolve in the operator's favour, eventually. The cost is the months or years of not paying yourself what the business should be paying you, because there isn't the cash to do it, before the pattern is clear enough to address.

The discipline doesn't fix that. It just makes the pattern visible early enough to do something about it before you've absorbed six months of it yourself.

The shorter version

Late payment will happen. Your accounting software shows you what's outstanding right now but not whether it's drifted. Once a month, write down four numbers from your Aged Receivables Summary — total receivables, total overdue, largest customer balance, count of customers 60+ days late. Compare to last month and three months ago. The pattern tells you whether to keep going as you are or to act. The discipline is the looking; the writing-down is what makes you look. Paid add-ons will do this automatically and if they're already part of your stack, the data's there — but dashboards stop being looked at, and four handwritten numbers next to last month's tend not to.

Last verified 19 May 2026 against Xero Money Matters 2023 (NZ SMB payments), Xero/MYOB aged receivables and payment-feature documentation, and business.govt.nz cash flow guidance. Full source list: references.