# Xero: Major incident: Australia: Xero Tax - customers are experiencing issues with prefilling and lodging tax returns to the ATO

**Summary:** Xero reported a major Australian Xero Tax outage preventing some customers from prefilling or lodging tax returns to the ATO, starting 2026-08-30 23:50 UTC and resolved 2026-08-31 01:37 UTC (computed duration: 1 h 46 min). Xero attributed the issue to an underlying product dependency and implemented a fix to restore service. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-30 23:50 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/3bs8gsfgpmnp](https://stspg.io/3bs8gsfgpmnp)
- [Company: Xero](https://rewindex.com/company/xero.md)
- Versions: before (none: first archived) → after incident\_version:223/nz0dpfpcrcvv@e0cef112f543
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Australia: Xero Tax - customers are experiencing issues with prefilling and lodging tax returns to the ATO
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-30 23:50 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-31 01:37 UTC
```

**6. Added: Affected components**

```diff
+ Xero Partner Products & Tools - Xero Tax (AU), Xero Tax (AU)
```

**7. Added: Update** (identified) · 2026-08-30 23:50 UTC

```diff
+ We are aware of an issue where some customers are unable to prefill or lodge tax returns from Xero Tax. Our team is has identified the cause and is working on a fix.
```

**8. Added: Update** (monitoring) · 2026-08-31 01:12 UTC

```diff
+ Our team has implemented a fix and we are currently monitoring the results.
```

**9. Added: Update** (resolved) · 2026-08-31 01:37 UTC

```diff
+ Our team has resolved the issue impacting Australian customers trying to lodge tax returns in Xero Tax.  This issue was due to an underlying product dependency with Xero Tax and our team worked to restore service.  We apologise for any inconvenience this has caused.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-30 23:50 UTC | Major incident: Australia: Xero Tax - customers are experiencing issues with prefilling and lodging tax returns to the ATO (this change) | outage |

All Xero changes: [timeline](https://rewindex.com/company/xero/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/i7692ab6c0a97a0 · Markdown: https://rewindex.com/change/i7692ab6c0a97a0.md · JSON: https://rewindex.com/api/v1/changes/i7692ab6c0a97a0 · Generated 2026-10-18T03:33:51.132Z