← All white papersWhite Paper · August 2026 · Updated October 2026

Automated invoice follow-up and accounts receivable automation in Australia

Automated invoice follow-up means the ledger decides who gets chased and when, not your memory on a Friday: an email before the due date, another after it, then a phone call that reads the balance and sends a payment link. Xero’s reminders already do the emails. The rest of accounts receivable automation is deciding who gets credit and matching each payment to its invoice.

12 min read·Published by AI Pathway

Used by

  • Accounts Receivable Officer
  • Credit Controller
  • Collections Officer
  • Debtors Clerk

The aged receivables report is the most-run and least-acted-on document in Australian small business. Everyone knows the number. Everyone can name the two worst offenders without looking. Almost nobody rang them this week, and the report will say the same thing next Friday with slightly larger figures.

In short

  • The problem

    A receivables seat is three jobs: chasing what is late, deciding who gets credit in the first place, and working out which payment belongs to which invoice.

  • Why it persists

    Xero's built-in reminders send the emails, and an email is easy to walk past. The ledger already knows who owes what; what it cannot do is have the conversation, and the conversation is the part that moves money.

  • What we would automate

    Chasing that runs whether or not anyone feels like it, credit rules applied before the invoice is written, and remittance matching.

  • What stays with a person

    Stopping supply, a disputed amount, your largest accounts, anything heading to recovery, and agreeing a payment arrangement beyond policy.

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1. One job title, three jobs nobody wants

Advertise for an accounts receivable officer and you are advertising for three distinct kinds of work. The same is true when the job has no title at all and lands on the owner of a trade business at nine at night. There is chasing: someone has to ask for money that is already earned. There is credit control: deciding who gets terms, how much, and when to stop supplying. And there is allocation: matching the payments that arrive against the invoices they were meant for, and reconciling the statements that follow.

These fail differently. Chasing fails because nobody wants to do it, so it gets deferred to Friday and then not done. Credit control fails because it happens too late: the risk was visible before the order was accepted and nobody was watching. Allocation fails silently, in the form of a month-end that takes two days instead of two hours.

Automating them as one thing is the usual mistake. They want different treatments, in a particular order, and the order is not the one most businesses pick.

The bottom line

Money already earned and sitting in someone else’s account is the cheapest working capital available to you. Collecting it faster costs nothing but the conversation, and the conversation is the part that has been getting skipped.

2. Xero already emails reminders. Here is where it stops.

If your invoices live in Xero, the first step of automated invoice follow-up is already in the box, and it is worth switching on before you buy anything. According to Xero’s own help pages, its invoice reminders:

  • Email customers when an invoice is due or overdue. Turning them on gives you three default reminders, which you can edit, delete or add to, up to five in all.
  • Can go before the due date as well as after it, set as a number of days either side.
  • Only go out on invoices marked as sent, and only to customers with a current email address on their contact.
  • Can skip invoices owing less than an amount you choose, and can be switched off for one customer or one invoice, such as a partly paid one or one you have already talked about.
  • Send customer replies to the person who turned reminders on, unless you change the address.
  • Go out once a day, between 4am and 8am in your organisation’s time zone.

Turning them on is a checkbox under Sales settings. If you are chasing by hand and that box is clear, start there tonight.

Where they stop is the point of the rest of this paper. Every item on that list is an email on a timer, and a reminder email is a note on the fridge: useful, and easy to walk past. Nothing in Xero’s reminder settings rings the customer, hears “I’ll pay Friday” and holds them to the date, notices that a reply was really a dispute, decides who gets credit on the next job, or reads a remittance and splits a lump payment across invoices. Xero’s own setup page points you to the Xero App Store for apps with “more advanced invoice reminder options”.

Choosing what to add

3. The overdue invoice nobody rang about

An emailed reminder asks the customer to do something later. It lands in the same inbox as everything else and gets archived unread. The one thing that reliably moves an invoice is somebody asking directly, and that is the thing nobody in the business wants to do.

So automated invoice follow-up is not “send more reminders”. It is a sequence with escalating contact types, where each step is triggered by the ledger rather than by anyone remembering: a reminder before the due date, a firmer one after it, then a call. The call reads the live balance at dial time, states the specific invoice, sends a payment link mid-conversation if the customer agrees, and records a promise-to-pay with a date if they do not pay on the spot.

The thing that makes it work is coverage rather than persuasion. Most debtors pay when someone asks; the problem is that nobody has the hours to ask all of them, so the calls that happen go to the largest balances and everything under a few thousand dollars ages out unattended.

Go deeper

The voice half of this has its own paper: AI Voice Agents for Accounts Receivable covers the five reasons an invoice goes unpaid, what the agent may and may not agree to, disclosure and calling-hour compliance, and what a promise-to-pay workflow looks like end to end.

4. Deciding who gets credit before the job, not after

Chasing is what you do after the decision. Credit control is the decision, and it is where the cheaper wins are, because a debt you never took on costs nothing to collect.

In most small businesses credit control is not a process, it is a memory: somebody knows that a particular customer is slow, and sometimes mentions it. Automating it means writing that knowledge down as rules the ledger can act on.

A limit that exists in the system

A credit limit recorded against the customer, checked when an order is accepted rather than discovered when the balance is already double it.

Behaviour scored, not remembered

Average days to pay, broken promises, part-payments and disputes rolled into a risk view that updates itself. The slow payer is visible before the next order, not after.

Terms that step down automatically

A customer who has gone past 60 days twice moves to shorter terms or prepay for the next job. The rule fires; nobody has to have the awkward realisation.

A stop-supply trigger with a human gate

The system proposes the hold and states why. A person confirms it, because stopping supply is a commercial and relationship decision, not a threshold.

New customer checks at onboarding

ABN and GST status, trading history, a credit check where the exposure justifies it. Cheap at the start, impossible to do retrospectively.

None of this needs a model to be clever. It needs the rules to exist and something to enforce them on every order rather than on the ones somebody happens to look at.

5. Which invoice was that payment for?

This is the invisible third of the job: statement and remittance reconciliation. Payments arrive as a lump sum with a reference that means something only to the customer. A remittance advice turns up separately, as a PDF, an email body, or a spreadsheet, listing which invoices the lump was meant to cover. Somebody reads one and types the other.

Automating it is document work, and it is the same shape as invoice capture on the payables side: read the remittance, extract the invoice numbers and amounts, and allocate the receipt across them. The interesting cases are the ones that do not add up (a short payment, a deduction nobody explained, a credit note applied without warning), and those go to a person as a short exception list instead of as a bank statement to reverse-engineer.

Customer statements are the other half. Sending them is trivially automatable and most businesses still do it by hand or not at all, which matters more than it sounds: a statement is often what surfaces the invoice the customer genuinely never received, and it costs nothing to send on a schedule.

Why this one pays quietly

Unallocated receipts make the ageing report wrong, and a wrong ageing report poisons the other two automations: you chase somebody who has already paid, and your risk scoring is built on balances that are not real. Allocation is unglamorous and it is load-bearing.

6. What changes when follow-up runs itself

The Whole Book Contacted

Every overdue account, not just the big ones. The small balances that used to age out unattended get the same treatment.

Chasing That Does Not Depend on Mood

The sequence is triggered by the ledger, so it happens on the Friday afternoon when nobody feels like it.

Risk Visible Before the Order

Days-to-pay, broken promises and disputes scored continuously, so a slow payer is known at quoting time rather than at 90 days.

Limits Actually Enforced

A credit limit that is checked when an order comes in is a different thing from a number recorded in a field nobody reads.

Receipts Allocated Automatically

Remittances read and matched across invoices, with only the short payments and unexplained deductions reaching a person.

An Ageing Report You Can Trust

Because allocation is current, the numbers the other automations act on are real.

Statements on a Schedule

Sent without anyone deciding to, which is often what surfaces the invoice a customer never received.

Reasons, Not Just Balances

You learn why invoices go unpaid (wrong contact, missing PO, disputed line), which fixes the invoicing process upstream.

7. Automated invoice follow-up, start to finish

  1. 1New customer onboarded with ABN, GST and trading checks, and a credit limit recorded
  2. 2Order checked against the limit and the current balance before it is accepted
  3. 3Invoice issued from the ledger, with the customer's terms applied
  4. 4Reminder sent before the due date, and again after it, triggered by the ledger
  5. 5Overdue accounts prioritised by age, amount and contact history
  6. 6Call placed against live balances, with a payment link sent mid-conversation
  7. 7Promise-to-pay captured with a date, or dispute detail recorded for a person
  8. 8Incoming payments matched to remittance advices and allocated across invoices
  9. 9Short payments and unexplained deductions raised as an exception list
  10. 10Risk score updated from behaviour; terms stepped down or a stop-supply proposed

8. What still needs you

Receivables touches customers you want to keep, so the boundary matters more here than almost anywhere else in a back office.

Stopping supply

The system can propose it and show the evidence. Ending a trading relationship is a commercial decision with a person's name on it.

A disputed amount

A contested line is a conversation about the work, not about the invoice. The automation's job is to surface it in week one with the detail attached.

Your largest accounts

The relationship with a key customer is worth more than the days saved. These are usually worth a call from a person by name.

Anything heading to recovery

Formal collection or legal action is a threshold a person crosses deliberately, with the full contact history in front of them.

Agreeing a payment arrangement beyond policy

The agent can accept a standard arrangement. Anything longer or larger is a credit decision.

9. Where the money comes back

Illustrative directions, not measured results. Your numbers will differ: the point is which levers move.

100%

Of the book contacted

Every overdue account, including the small balances that previously aged out unattended

Days

Off average collection time

Driven mostly by mid-call payment links and follow-up that actually happens

Hours

Back at month end

Remittances read and allocated as they arrive rather than reverse-engineered from a bank statement

The largest single gain is usually not the invoices you eventually recover. It is the ones you recover weeks earlier, and the bad debt you never took on because the limit was checked when the order came in.

10. Where to start this week

  1. 1

    Switch on what you already have

    If you use Xero and its invoice reminders are off, turn them on and make sure your invoices are marked as sent. It is a checkbox, and everything below builds on it.

  2. 2

    Get your baseline

    Average debtor days, total overdue, the ageing distribution, and how much cash is sitting unallocated. The last number is usually the surprise.

  3. 3

    Fix allocation first

    Counter-intuitive, but chasing runs on the ageing report. If receipts are not allocated, you will ring people who have already paid, and once is enough to lose trust in the whole thing.

  4. 4

    Clean the contact data

    Voice chasing is only as good as your phone numbers. Wrong numbers are a common cause of poor contact rates.

  5. 5

    Write the credit policy down

    Limits, terms, what triggers a step-down, what triggers a proposed stop-supply, what an agent may agree to unaided. This is the product decision and it is yours.

  6. 6

    Start with one ageing bucket

    Run the 30 to 60 day band first. Recent enough that goodwill is intact, overdue enough that a call is clearly warranted.

Ready to stop funding your customers’ cash flow?

The chasing third of this is built: Get Paid on Office Voice rings debtors off live Xero, sends the payment link on the call, and writes the promised date back to the invoice. Get Paid $199 a month ex GST, with no call caps and no per-minute overage, and A$29 to set up your number, which comes off your first bill. For a practice that is per client business, wholesale as the book grows. Credit control rules and remittance allocation stay a scoped build around it.

Technical? The build standard is open. Take it.

Published by AI Pathway · https://aipathway.com.au

Read the full interactive version at https://aipathway.com.au/explore-ai/accounts-receivable-automation