Alex is Sprintlaw's co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
If you run a small business, you already know the uncomfortable truth: doing great work doesn’t always mean getting paid on time.
Whether you’re delivering services, supplying products, or completing project milestones, following up on late payments can quickly become a regular (and draining) part of your week. It can also create a ripple effect - cash flow pressure, difficulty paying suppliers, and time taken away from actually growing your business.
The good news is that you can often recover overdue invoices without going straight to “legal threats” or burning a client relationship. The key is to be organised, consistent, and clear - and to have the right documents and processes in place so you’re not scrambling when an invoice becomes overdue.
Below is a practical, Australia-focused guide to recovering overdue invoices, including what to do before you follow up, how to escalate politely, and when it may be time to take formal steps.
Before You Start Chasing Payment: Check The Basics (And Set Yourself Up For Success)
It’s tempting to fire off a “Please pay immediately” email as soon as something is overdue. But before you start chasing payment, take 10 minutes to confirm a few things - because many payment disputes start with a misunderstanding or an admin issue.
1. Confirm Your Invoice Is Correct
Check that:
- the invoice number, date, and due date are correct
- your business details are correct (including ABN if relevant)
- the client’s details match the purchasing entity
- the amount matches what was quoted/approved
- you’ve included clear payment instructions (bank details, reference, etc.)
If your invoice is missing key information, a client might delay payment (or claim they couldn’t process it).
2. Check Your Contract Or Agreed Payment Terms
This matters for two reasons:
- It tells you when payment was actually due (and whether your follow-up is fair).
- It tells you what you can do next - for example, whether you can charge late fees or suspend services.
If you don’t already have written customer terms, it’s worth putting them in place. A clear Service Agreement (or customer contract) can set expectations about invoicing, due dates, disputes, interest, and collection costs.
3. Confirm Delivery (So There’s No “We Didn’t Receive It” Excuse)
Before chasing payment, make sure you have some record that you delivered what was agreed. This might include:
- email confirmation of completion
- delivery receipts or tracking
- timesheets or job logs
- signed acceptance or a completion sign-off
If the client is going to dispute the invoice, this evidence can be crucial.
4. Look For A Simple Explanation First
Sometimes late payment is just:
- an accounts payable backlog
- someone being on leave
- the invoice going to the wrong person
- the client needing a purchase order reference
Approaching your first follow-up as a “quick check-in” rather than an accusation often gets faster results.
A Step-By-Step Process For Chasing Payment (Without Damaging The Relationship)
Having a process helps you stay consistent, professional, and calm - even if you’re frustrated. It also signals to the client that you take payment seriously.
Step 1: Friendly Reminder (1–3 Days Overdue)
Keep it simple. Assume it’s an oversight.
- Reply to the original invoice email (so the invoice is attached in the thread)
- Confirm the amount and due date
- Ask whether they need anything from you to process payment
Tip: If you’re chasing payment regularly, consider standardising your reminder emails so you don’t waste time rewriting the same message.
Step 2: Second Reminder With A Clear Deadline (7–14 Days Overdue)
If there’s no response or no payment, your next message should be more direct but still professional.
At this stage, you should:
- set a specific deadline (for example, “Please arrange payment by Friday, 12 January”)
- confirm accepted payment methods
- ask for confirmation once payment has been made
If your terms allow it, this is also where you can reference late payment consequences (such as pausing further work). If you plan to pause services, you’ll want this right to be written clearly in your agreement rather than making it up mid-dispute.
Step 3: Phone Call (And Follow Up In Writing)
Email can be ignored. A polite phone call often gets you an answer quickly - especially if you speak to the person who can actually approve payment.
After the call, send a short follow-up email summarising what was agreed. For example:
- who you spoke to
- what they said the issue was (if any)
- the promised payment date
This creates a paper trail without being aggressive.
Step 4: Final Notice (14–30 Days Overdue)
If the invoice is significantly overdue, and your previous reminders haven’t worked, it’s time for a “final notice” style message.
This should:
- state the amount owing and how long it’s been overdue
- refer to the contract/payment terms (if you have them)
- set a final deadline
- flag that you may take further steps if it isn’t paid
You don’t need to be hostile - but you do need to be clear. Consistency is one of the most effective tools when you’re chasing payment.
How To Avoid Common Mistakes When Chasing Payment
When you’re dealing with overdue invoices, it’s easy to act emotionally - especially if cash flow is tight. But certain missteps can slow down recovery or create legal risk.
Don’t Make Threats You Won’t Follow Through On
A common mistake is saying “We’ll take legal action tomorrow” when you’re not actually prepared to escalate. If you do this repeatedly, clients learn they can ignore you.
Instead, stick to statements you can stand behind, like:
- “If payment isn’t received by , we’ll consider next steps to recover the debt.”
- “If the account remains unpaid, we may pause further work (in line with our agreed terms).”
Don’t Harass Or Shame The Customer
Repeated calls, aggressive language, or threatening messages can backfire and make the dispute worse. Keep your communication professional and focused on resolution.
If you need to escalate strongly, it’s usually better to do it through formal written correspondence (and, if appropriate, a lawyer).
Don’t Keep Working Without Addressing The Overdue Invoice
If you continue delivering work while invoices are overdue, you can accidentally create a bigger debt - and a bigger problem.
Where commercially workable, consider:
- requiring payment of overdue invoices before further work continues
- moving the client onto upfront payment
- using deposits or milestone payments for future work
This is much easier to enforce when your terms are clear from the start, such as through tailored Terms of Trade.
When Chasing Payment Turns Into A Dispute: Handling Pushback The Right Way
Sometimes the client doesn’t pay because they’re unhappy - or they say they’re unhappy after you follow up. Either way, it helps to treat it as a structured dispute rather than an emotional argument.
Ask For The Dispute In Writing
If the client claims there’s an issue, ask them to set out:
- what part of the work they say is incomplete or defective
- what outcome they want (discount, rework, refund, etc.)
- any evidence they’re relying on
This often prevents vague complaints and focuses the discussion.
Check Your Australian Consumer Law (ACL) Obligations
If you supply goods or services to consumers, the Australian Consumer Law (ACL) can affect what remedies may apply if something genuinely went wrong. In some cases, ACL protections can also apply to business-to-business purchases (for example, where the goods or services are of a kind ordinarily acquired for personal, domestic or household use or consumption, or where other thresholds/tests are met).
In practice, many invoice disputes involve accusations that the work wasn’t delivered with due care and skill, or that the goods weren’t acceptable quality. Your contracts and communication should align with your obligations - and you should avoid making statements that could be misleading or hard to prove later.
Consider A Practical Commercial Outcome
Sometimes the fastest path to getting paid is agreeing on a practical resolution, such as:
- payment of the undisputed portion immediately
- a written plan to complete a minor outstanding item
- a partial discount in exchange for immediate payment (where appropriate)
Even if you feel you’re “in the right”, chasing payment can become more expensive than the invoice itself if it escalates into a drawn-out dispute.
Put Any Resolution In Writing
If you agree on revised terms - like a discount, repayment plan, or partial refund - confirm it in writing. If the situation is more serious, a formal document like a deed can help lock in the agreement and reduce the risk of the dispute reopening later.
Escalating The Matter: Formal Steps To Recover Overdue Invoices In Australia
If you’ve tried polite reminders and the invoice still isn’t paid, it may be time to escalate. The “right” escalation depends on the amount, your evidence, the customer relationship, and whether the client is disputing the debt.
1. Send A Letter Of Demand
A letter of demand is a formal written request for payment. It usually sets out:
- the amount owed
- what the invoice relates to
- the due date and how long it has been outstanding
- a deadline for payment
- what you’ll do if payment isn’t made (for example, commencing legal proceedings)
A well-written letter of demand can be enough to prompt payment - particularly where the client has been ignoring informal reminders.
2. Consider Negotiating A Payment Plan
If the customer can’t pay in full, a structured payment plan may be better than no payment at all. If you do this, aim to have:
- specific instalment amounts and dates
- what happens if they miss a payment
- whether interest applies
- confirmation that the debt is admitted/acknowledged
This is also where the quality of your paperwork matters. If your agreement already includes clear payment terms and enforcement options, you have more leverage.
3. Pause Services Or Access (If Your Contract Allows It)
For some businesses (especially ongoing service providers), pausing work is one of the most effective ways to stop the debt growing and encourage payment.
But be careful: suspending services without a clear contractual right (or without following any notice process in your contract) can sometimes escalate conflict or create counterclaims. It’s best to build this right into your contract from the beginning, rather than improvising once things go wrong.
4. Commence Small Claims Or Court Action
If the debt is still unpaid and you have solid evidence, you may choose to commence recovery action through the relevant court or tribunal process (depending on the state/territory and the amount).
This can be effective, but it also takes time and resources. Before going down this path, it’s worth considering:
- is the customer likely to be able to pay even if you win?
- do you have clear documentation of the agreement and delivery?
- is the debt actually disputed (and if so, on what basis)?
Where you’re unsure, getting advice early can help you choose the most cost-effective next step and avoid procedural mistakes.
Preventing Overdue Invoices: Systems And Legal Documents That Make Chasing Payment Easier
The best way to reduce time spent chasing payment is to stop overdue invoices from happening in the first place - or at least reduce how often they happen.
Here are practical steps that make a real difference for Australian small businesses.
Use Clear Quotes And Scope Of Work
Many disputes start because the customer thought they were buying something different. Your quote should be clear about:
- exactly what is included (and what isn’t)
- pricing, GST treatment, and variations
- payment milestones (if any)
- timeframes
If you’re unsure whether a quote creates a binding agreement, it’s worth getting clarity on quotations and how they operate in practice.
Take Deposits Or Use Milestone Payments
For project-based work, consider structuring payment like:
- 50% deposit upfront
- 25% at midpoint
- 25% on completion (before final delivery/handover)
This reduces the risk that you’ll do 100% of the work and then spend weeks chasing payment.
Have The Right Terms In Place From Day One
Strong terms don’t just help you in court - they help you in everyday conversations with customers.
Depending on your business, this might include:
- Customer contract or service agreement: to set scope, payment terms, due dates, variations, and what happens if payment is late.
- Terms of trade: especially useful if you regularly invoice multiple customers and want consistent rules around payment and recovery.
- Website terms: if customers order, book, or pay through your website, your Website Terms and Conditions can help set expectations and limit disputes.
Issue Invoices Promptly And Follow Up Automatically
The longer you leave it, the less urgent it feels to the customer. Try to:
- invoice immediately after delivery or at the agreed milestone
- schedule reminders (for example, 3 days before due, on due date, 3 days after)
- make payment easy (bank transfer details, online payment options if appropriate)
Reduce Risk With Better Customer Onboarding
If you’re working with new customers (particularly for higher-value work), consider:
- confirming who is authorised to approve invoices
- confirming billing email addresses and accounts payable contacts
- requiring a written acceptance of your quote and terms
- doing basic checks (for example, ensuring you’re contracting with the right entity)
This might feel “extra” at the start - but it can save weeks of chasing payment later.
Key Takeaways
- Recovering overdue invoices is much easier when you start with the basics: a correct invoice, proof of delivery, and clear agreed payment terms.
- A structured follow-up process (friendly reminder, clear deadline, phone call, final notice) helps you stay professional and consistent.
- If payment delays turn into a dispute, ask for the issues in writing and focus on practical resolution while keeping your records organised.
- When informal reminders don’t work, escalating through a letter of demand, a payment plan, or legal recovery steps may be appropriate.
- Strong contracts and terms (including payment and suspension rights) reduce the time, stress, and risk involved in recovering overdue invoices.
This article is general information only and isn’t legal advice. If you’d like help putting the right contracts and payment terms in place (or advice on recovering an overdue invoice), you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








