22/09/2026
January gets the attention. October needs a reminder.
Registering, filing and paying are separate steps—and it’s easy to mix up the dates.
The 5 October 2026 deadline matters if you need a 2025/26 tax return and are registering for the first time or reactivating your record.
Already filing every year? You generally don’t need to register again.
Swipe through to see where you fit.