New Zealand Business Tax Deadline Calculator

Select your income year, balance date, and entity type.

Deadlines

Standard Filing Deadline

Tax Agent Extension (EOT) Deadline

Disclaimer: This calculator provides general dates. Deadlines falling on a weekend are adjusted to the next working day, but this tool may not account for all public holidays (e.g., Easter, Waitangi Day, provincial anniversaries). Always consult with a registered tax agent or Inland Revenue (IR) for advice specific to your situation.