In this guide(9 sections)
If you've filed a sole divorce application and now you're staring at the word "service", take a breath — this is one of those steps that sounds far more legal and frightening than it actually is. Service simply means making sure your former spouse officially receives a copy of the application, so the court can be confident they know the divorce is happening. And if the reason you're reading this is the quiet fear underneath it — I don't even know where they are anymore — please know that's a situation the court sees all the time, and there's a clear path through it. Here's how service works, plainly. (If you haven't filed yet, start with how to file for divorce — this guide picks up afterwards.)
At a glance — serving divorce papers in Australia
| What "service" means | Formally giving your spouse a copy of the sealed divorce application |
| Who has to serve | Only a sole applicant — a joint application needs no service at all |
| Governing rules | Federal Circuit and Family Court of Australia (Family Law) Rules 2021 |
| The deadline | At least 28 days before the hearing if your spouse is in Australia (42 days if overseas) |
| Who can hand it over | Anyone over 18 — not you personally — or a professional process server |
| By post | Allowed, with an Acknowledgment of Service your spouse signs and returns |
| Proof you need | Affidavit of Service (by hand) or signed Acknowledgment of Service (by post) |
| Can't find them? | Apply for substituted service or dispensation of service |
| Does it stop the divorce? | No — it can delay things, but it rarely stops the divorce |
| First consultation | Free, confidential, no obligation |
Do you have to serve divorce papers in Australia? Only if you filed a sole application. You must give your spouse a sealed copy of the divorce application, and it must reach them at least 28 days before the hearing (42 days if overseas). You can't serve it yourself — someone else does, by post or by hand — and you then file proof of service with the court. A joint application needs no service.
When service is required (and when it isn't)
The very first thing to check is which kind of application you filed, because it decides whether this step applies to you at all.
- Joint application — no service. If you and your spouse applied together, you're both already on the application and you've both signed it. There is nobody to serve. You can close this guide and breathe easy.
- Sole application — service required. If you applied on your own, your spouse is the "respondent", and the law requires that they be formally given a copy of the sealed application plus a brochure called Marriage, Families and Separation. This is service.
The reason the rules around service are strict is simple and rather fair: a divorce changes someone's legal status, so the court wants to be genuinely satisfied the other person knows it's happening and has had the chance to respond. Service is how that certainty is created.
The 28-day rule — your real deadline
Here's the date that actually matters. If your spouse lives in Australia, the application must be served on them at least 28 days before the divorce hearing. If they're overseas, that window stretches to at least 42 days before the hearing.
When you filed, the court gave you a hearing date. Count backwards from it. Service that lands inside the window — say, 20 days before the hearing instead of 28 — usually means the hearing gets adjourned to a later date so the timing rules are met. It's not fatal; it's just a delay. So the practical advice is to start arranging service as soon as your application is sealed, not the week before the hearing.
Who can serve the papers — and who can't
This is the rule people trip over most, so it's worth stating clearly: you cannot serve the documents yourself. Not by handing them over, not by leaving them on the kitchen bench. The whole point is independence and proof.
Under the Federal Circuit and Family Court of Australia (Family Law) Rules 2021, service of a divorce application can be done two ways:
- By post. You (or the court) post the sealed application to your spouse, together with an Acknowledgment of Service form. For postal service to count, your spouse must sign and return that acknowledgment — their signature is the proof they received it. If they simply ignore the envelope, postal service hasn't worked, and you'll need to try another way.
- By hand. Another adult — a friend, a relative, or a professional process server — physically gives the documents to your spouse. The person doing it must be over 18 and cannot be you, the applicant. They then swear an affidavit confirming they handed the documents over.
A professional process server is often the calmest option where there's any tension, because they're experienced, neutral, and they know exactly how to record what happened. They typically cost somewhere in the order of $100–$300, which is money well spent for the certainty and the distance it puts between you and a difficult conversation.
Proving service — the affidavit and the acknowledgment
Serving the papers is only half the job. The court won't grant the divorce until you've proved service happened, and there are two documents that do that:
- Acknowledgment of Service — used for postal service. Your spouse signs it to confirm they received the application, and it's filed back with the court. Because handwriting can be disputed, a sole applicant often also files a short affidavit identifying their spouse's signature.
- Affidavit of Service — used for service by hand. The person who handed over the documents swears this affidavit, setting out when, where, and how they served your spouse, and how they identified them.
Whichever applies to you, the proof is filed back through the Commonwealth Courts Portal, the same place you lodged the application. Once it's filed and the timing rules are met, the divorce can proceed to its hearing. Until proof of service is on the file, the matter simply waits.
What if you can't find your ex?
This is the part I most want you to read, because it's the fear that brings a lot of people to this page — and the answer is reassuring. If you genuinely don't know where your former spouse is, or they're deliberately dodging the documents, you are not stuck. The court has two safety valves, and you apply for them by filing an application in a case with a short affidavit explaining what's happened.
1. Substituted service. This is permission to serve your spouse a different way — one the court accepts is likely to actually reach them. That might be by email, by text message, through a social media account they clearly still use, or by serving a close relative who's in contact with them. You'll need to show the court the steps you've already taken to find or reach them (more on that below).
2. Dispensation of service. This is permission to skip service altogether. The court only grants it when serving the other person is genuinely impossible — for instance, you've exhausted every reasonable avenue and there's simply no way to reach them. It's the last resort, but it exists precisely so that a missing spouse can't trap you in a marriage forever.
For either application, the court wants to see that you've made honest, reasonable efforts to find your spouse first. That usually means things like: contacting their last known address, their family or mutual friends, their employer, checking electoral roll or social media, and writing down each attempt with dates. The Family Law Act 1975 (Cth) underpins the whole no-fault divorce system, and these service powers exist so that one person's absence can never permanently block another's right to move on.
Worked example. Maya separated from her husband, Tom, two years ago. He moved interstate, changed his number, and she has no address for him. She files a sole divorce application — but she can't serve Tom because she doesn't know where he lives. Rather than giving up, Maya spends a fortnight making genuine enquiries: she messages Tom's sister (who confirms he's "around but won't say where"), checks his still-active Instagram, and emails his old work address. She writes all of it down with dates. She then files an application for substituted service, asking the court to let her serve Tom by email and via his sister, supported by an affidavit setting out every step she took. The registrar is satisfied she's made reasonable efforts, grants the order, and Maya serves Tom the approved way. Her divorce proceeds normally from there. The missing-husband problem didn't stop her — it just added a few weeks and one extra form.
How common is this, really?
It's far more ordinary than it feels when you're in it. According to the Australian Bureau of Statistics' Marriages and Divorces, Australia, 2024, there were 47,216 divorces granted in Australia in 2024 — and a meaningful share of those began as sole applications where one person had to serve the other, including plenty where the parties had long since lost contact. Registrars deal with substituted-service and dispensation applications routinely. You are not the first person to type "I can't find my ex to serve divorce papers" into a search bar at 11pm, and the system genuinely has a path built for exactly your situation.
Frequently asked questions
Do I have to serve divorce papers in Australia?
Only if you filed a sole divorce application. A sole applicant must give the other spouse a sealed copy of the application and a court brochure, and prove it was received. If you filed a joint application together, there is no service requirement at all, because you are both already named on the application and have both signed it.
Can I serve the divorce papers on my spouse myself?
No. In Australia the applicant cannot personally serve their own divorce application. Service must be done either by post (with an Acknowledgment of Service your spouse signs and returns) or by hand by another adult over 18 — a friend, a relative, or a professional process server — who then swears an Affidavit of Service. This independence is what lets the court trust the proof.
How long before the hearing must divorce papers be served?
At least 28 days before the divorce hearing if your spouse is in Australia, and at least 42 days before if they are overseas. If service happens later than that, the court will usually adjourn the hearing to a new date rather than refuse the divorce. Starting service as soon as your application is sealed avoids that delay.
What proof of service does the court need?
For service by post, an Acknowledgment of Service signed by your spouse. For service by hand, an Affidavit of Service sworn by the person who delivered the documents, setting out when, where, and how they served your spouse. The proof is filed back through the Commonwealth Courts Portal, and the divorce cannot be granted until it is on the file.
What can I do if I can't find my ex to serve them?
You can apply to the court for substituted service — permission to serve them another way likely to reach them, such as by email, text, social media, or through a relative — or for dispensation of service, which is permission to skip service altogether. The court expects to see that you have already made genuine, reasonable efforts to find or contact your spouse.
Can my spouse stop the divorce by refusing to accept the papers?
No. Australia has a no-fault divorce system, so a spouse cannot prevent a divorce by avoiding service. If they dodge the documents or can't be found, you apply for substituted service or dispensation of service. Their refusal to cooperate can delay the process by a few weeks but cannot stop the divorce itself.
When you're not sure where to start, the first call is free
Service trips up a lot of people — especially the "I don't know where they are" version of it — and you don't have to work out the affidavits, the process server, or a substituted-service application on your own. In a free, confidential 30-minute consultation, I'll tell you honestly whether your service is straightforward or whether it's worth a hand, and what the practical next step is. There's no obligation and no pressure. Book a free consultation →, call 03 4328 5084, or chat with Eliana, our assistant, any time.
This guide is general information about the divorce process in Australia, not legal advice, and it doesn't create a lawyer–client relationship. Court rules and forms change, and every situation is different — for advice on your own circumstances, please speak with a family lawyer.
Prepared by the Fogarty Oliver Rothschild family law team as general information about Australian family law. Family and property law in Melbourne since 2012. Published 1 July 2026.
This guide is general information about Australian family law, not legal advice for your specific situation. For advice on your matter, book a free initial consultation.