Inland Revenue has advised of a planned internal system upgrade over the weekend of Saturday, 4 – Sunday, 5 October 2025.
During this time, the following services will be temporarily unavailable:
Gateway services
Self-service phonelines
Other connected systems
Outage timing
Initial indications are that the outage will run from 9:00pm on Saturday, 4 October through to early evening on Sunday, 5 October. Inland Revenue will confirm the exact timing closer to the date.
What you need to know:
The Inland Revenue website will remain available.
Payments can still be made through your bank.
Phonelines and offices will resume normal hours on Monday, 6 October.
If you or your clients have questions or concerns, please contact Inland Revenue through your usual channels.
