How To Manage Arrears Payments For Your Business

Arrears are a normal part of running a small business.

Maybe a customer hasn’t paid an invoice on time, a client is behind on a payment plan, or you’ve realised your own business needs to catch up on something like rent, supplier invoices or payroll. Whatever the scenario, an arrears payment (a payment made to catch up on an overdue amount) can quickly become stressful if you don’t have a clear process.

The good news is that you can usually manage payment arrears without damaging relationships or putting your business at legal risk - as long as you respond early, communicate clearly, and have the right documents in place.

In this guide, we’ll walk you through how arrears payments work, what to do when a customer falls behind, and how to set your business up to reduce arrears in the future.

What Is An Arrears Payment (And Why Does It Matter For Your Business)?

An arrears payment is a payment made after it was due.

In other words, if payment terms say “payable within 7 days”, and the customer pays on day 14, that payment is made “in arrears”. Sometimes it’s a one-off late payment. Other times it’s part of a longer pattern of payment arrears - where amounts accumulate over time and create a bigger problem for your cash flow.

Common Arrears Payment Scenarios For Small Businesses

• Late invoice payments for completed work (services or goods supplied).
• Progress payments missed in a project-based contract (for example, construction, marketing, web development).
• Subscription arrears where a customer keeps using your service but hasn’t paid for a billing period.
• Payment plan defaults where the customer was paying instalments but falls behind.
• Employee payroll arrears if your business has underpaid wages or missed allowances (these situations need extra care and fast action).

Why Handling Payment Arrears Early Is So Important

Arrears are rarely “just an admin issue”. If you leave them too long, they can impact:

• Cash flow (your ability to pay wages, tax, suppliers and rent).
• Time (chasing money takes your attention away from running the business).
• Customer relationships (the longer it goes on, the harder the conversation becomes).
• Legal risk (especially if you try to pressure customers in the wrong way, or add charges that weren’t agreed in your contract/terms).

A strong arrears payment process is really about protecting your business while keeping things fair and professional.

Step-By-Step: What To Do When A Customer Is In Payment Arrears

If a customer has missed a payment, it’s tempting to jump straight to threats or collection action - but that approach often backfires.

Instead, try a structured escalation pathway. The goal is to recover the money efficiently while keeping your options open if you need to enforce the debt later.

1. Confirm The Basics (Before You Chase)

Before sending reminders, take 10 minutes to check:

• Was the invoice issued to the correct legal entity (correct company name / ABN)?
• Are the due date and payment terms clearly stated?
• Did you deliver the goods/services in line with the agreement (and can you prove it)?
• Have you attached any relevant timesheets, delivery dockets, acceptance emails, or purchase orders?

This protects you from chasing the wrong party (or chasing an amount that’s genuinely in dispute).

2. Start With A Friendly Overdue Reminder

For many businesses, the fastest arrears payment comes from a polite email reminder.

Keep it simple:

• Reference the invoice number and amount.
• Confirm the due date has passed.
• Include payment details and ask for an expected payment date.

At this stage, you’re signalling that you’re on top of your accounts, without escalating unnecessarily.

3. Follow Up (And Create A Paper Trail)

If the customer doesn’t respond, follow up again in writing. If you call them, send a short email afterwards summarising what was said.

This matters because if the arrears situation escalates later, your written communications can help show:

• the debt is owed,
• the customer was aware, and
• you acted reasonably.

4. Check Whether There’s A Genuine Dispute

Not all payment arrears are bad faith. Sometimes the customer thinks:

• the work wasn’t completed,
• the goods were faulty,
• the scope changed, or
• the price wasn’t agreed.

If a dispute is raised, avoid “debt collection mode” immediately. Instead, ask for details and try to narrow down:

• what exactly they disagree with,
• whether there’s evidence (photos, emails, specification documents), and
• what outcome they want (discount, rework, replacement, more time).

This is also where your contract and written scope become your best friend.

5. Offer A Payment Plan (If It Makes Commercial Sense)

If the customer can’t pay in full, a structured payment plan may be better than waiting indefinitely.

To keep things clean, document it properly - including:

• the total amount owing,
• instalment amounts and dates,
• what happens if they miss a payment, and
• whether interest or fees apply (generally, only where this is clearly allowed under your contract/terms and lawful in the circumstances).

Many businesses use a simple written arrangement as a “reset button” for arrears payments. If you need something more formal, it may be worth putting a settlement arrangement in place (especially for larger debts).

In some cases, a payment contract can help ensure everyone is clear on what’s due and when.

6. Send A Formal Letter Of Demand

If friendly reminders and follow-ups go nowhere, your next step is usually a letter of demand.

A good letter of demand is firm but professional. It normally includes:

• the amount owing and what it relates to,
• the due date and how long it’s overdue,
• a final deadline to pay (for example, 7 days), and
• what you’ll do next if payment isn’t made (for example, escalate to debt recovery or legal action).

This step often triggers an arrears payment because it makes clear you’re prepared to enforce your rights.

7. Escalate To Debt Recovery Or Legal Action (If Needed)

If the debt remains unpaid, your options depend on the amount, the evidence you have, and whether the customer is solvent.

At this stage, many small businesses consider a formal Debt Collection Agreement approach, or legal support to recover the debt strategically.

The right pathway depends heavily on your facts (including the contract terms and the customer’s circumstances), so it’s worth getting advice before spending time and money in the wrong direction.

How To Prevent Arrears Payments: Set Clear Terms Before Work Starts

The easiest arrears payment to manage is the one you never have to chase.

While you can’t completely eliminate late payers, you can reduce the frequency and impact of payment arrears by tightening your systems upfront.

Use Strong Payment Terms (Not Vague Expectations)

If your invoices say “due on receipt” but you’ve been informally allowing 14 or 30 days, you’re creating uncertainty - and that’s where arrears start.

Good payment terms typically cover:

• when payment is due (for example, 7 days from invoice, or upfront deposit),
• accepted payment methods,
• whether you can pause work for non-payment (if your contract allows it), and
• any interest/late fees (if applicable, lawful, and enforceable in your circumstances).

It’s also helpful to set expectations early about your process, including reminders and escalation steps.

For many businesses, tightening invoice payment terms is the single biggest improvement you can make to reduce arrears payments.

Consider Deposits And Progress Payments

If you deliver everything before getting paid, you’re funding the project yourself.

Depending on your industry, you might reduce arrears risk with:

• deposits before you start work,
• milestone payments (for example, 40/40/20), and
• final payment before handover of key deliverables (where appropriate).

The key is making sure your customer understands these requirements before you begin, and that they’re written into your agreement.

Use Direct Debit Carefully (And Legally)

Direct debit can help prevent arrears by automating payments - particularly for retainers, subscriptions, and ongoing services.

But it’s important that you have the customer’s proper authority and that your process is compliant. In Australia, direct debits are commonly set up through banking/payment provider systems (for example, the Bulk Electronic Clearing System), and there are specific requirements around authorisation, disclosures, cancellations and disputes that you’ll want to get right. The rules around direct debit matter, especially when customers later argue they didn’t agree to debits or want refunds.

Can You Charge Late Fees Or Interest On An Arrears Payment?

This is one of the most common questions we hear from small businesses, and the answer is: sometimes - but you should be careful.

If you try to charge late fees that weren’t agreed upfront, you may create a dispute or even undermine your ability to recover the original amount.

When Late Fees Are More Likely To Be Enforceable

Late fees or interest are usually safest when:

• they’re clearly set out in your contract/terms before the customer agrees,
• they’re reasonable (and not a disguised “penalty”), and
• they’re applied consistently (and in line with your contract).

Many businesses build this into their late fee clauses so customers understand the cost of paying in arrears.

Be Careful With “Penalty-Style” Fees

A fee that is disproportionate to the actual loss you suffer from late payment can be risky. Even if it’s written down, harsh fee structures can create enforceability issues (and can also harm customer trust).

It’s usually better to keep the clause commercially reasonable and focus on a clear collection pathway rather than relying on aggressive penalties.

What About Debt Collection Costs?

Some contracts allow you to recover collection costs (for example, legal fees or agent costs) if you have to chase the debt.

These clauses can help, but they should be drafted properly and used carefully. Whether you can actually recover costs in practice can depend on the wording of your contract, what steps you take, and the forum used to recover the debt (for example, a court or tribunal may have its own rules on costs). If you’re not sure what you can recover, it’s best to get advice early rather than adding costs that cause the customer to dig in further.

For practical examples of how businesses structure these clauses, you may have seen guidance around late payment fees and what is generally considered compliant.

What Legal Documents Help You Manage Payment Arrears?

If you’re regularly dealing with arrears payments, it’s often a sign that your documents and payment processes need strengthening.

Here are some of the most useful legal documents to help you prevent and respond to payment arrears.

• Client contract or service agreement: sets scope, deliverables, payment milestones, due dates, and your rights if payment is late.
• Terms of trade: particularly useful if you supply goods or provide repeat services, because it standardises payment terms across customers.
• Payment plan / repayment agreement: documents instalments and what happens if a payment is missed, which helps you manage arrears payments consistently.
• Letter of demand template: helps you escalate professionally and maintain a consistent process.
• Deed of settlement: useful where there’s a dispute or negotiation and you want to formally resolve it (including releases, payment timelines, and consequences for non-payment). A Deed of Settlement can be particularly helpful where the relationship is strained or the amounts are significant.

Not every business needs every document, but most small businesses benefit from having at least one strong customer-facing agreement and a consistent arrears process.

Key Takeaways

• An arrears payment is a catch-up payment made after the due date, and repeated payment arrears can quickly become a cash flow and legal risk for your business.
• A practical arrears process usually includes: confirming the invoice details, sending reminders, documenting communications, checking for disputes, offering payment plans, and escalating to a letter of demand if needed.
• You can reduce arrears by tightening your payment terms, using deposits or progress payments, and setting expectations before work starts.
• Late fees or interest can be enforceable in some cases, but they should be agreed upfront and drafted carefully to avoid “penalty-style” issues.
• Strong legal documents - including customer contracts, payment plan agreements, and (where needed) settlement documents - make it easier to recover overdue amounts without damaging your business relationships.

If you’d like help reviewing your contracts, payment terms, or arrears recovery options, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.