HOW DOES THE RDTI WORK?

View by income year:

General Approval applications

Here are the deadlines for submitting your General Approval (GA) application and claim. 

A GA application is how most businesses apply for the RDTI. 

Please note that:

  • you can submit your GA application any time during your income year - the deadlines shown are the final cut-off dates
  • the application deadline differs depending on your particular balance date and income year (most businesses have a standard balance date, unless you have been granted an early or late balance date by Inland Revenue)
  • if the deadline date falls on a weekend or public holiday, the application/claim may be filed the next working day. 

 

End of tax year / balance date

Application deadline
(7th day of the 2nd month following the end of your income year)
Claim deadline
31 Oct 2025 (early) 7 Dec 2025 The deadline for submitting your Supplementary Return is within 30 days after the due date of your income tax return.
30 Nov 2025 (early) 7 Jan 2026
31 Dec 2025 (early) 7 Feb 2026
31 Jan 2026 (early) 7 Mar 2026
28 Feb 2026 (early) 7 Apr 2026
31 Mar 2026 (standard) 7 May 2026
30 Apr 2026 (late) 7 Jun 2026
31 May 2026 (late) 7 Jul 2026
30 Jun 2026 (late) 7 Aug 2026
31 Jul 2026 (late) 7 Sep 2026
31 Aug 2026 (late) 7 Oct 2026
30 Sep 2026 (late) 7 Nov 2026

 

Criteria and Methodologies (CAM) applications

Here are the deadlines for submitting your Criteria and Methodologies (CAM) application and claim.

A CAM application is only available to businesses that intend to spend more than $2 million per income year on eligible R&D.

Please note that:

  • you can submit your CAM application any time before the deadlines shown, which are the final cut-off dates
  • the application deadline differs depending on your particular balance date and income year (most businesses have a standard balance date, unless you have been granted an early or late balance date by Inland Revenue)
  • if the deadline date falls on a weekend or public holiday, the application/claim may be filed the next working day. 
End of tax year / balance date Application deadline
(last day of the 6th month before the end of the first income year)
Claim deadline
31 Oct 2025 (early) 30 Apr 2025 The deadline for submitting your Supplementary Return is within 30 days after the due date of your income tax return
30 Nov 2025 (early) 31 May 2025
31 Dec 2025 (early) 30 Jun 2025
31 Jan 2026 (early) 31 Jul 2025
28 Feb 2026 (early) 31 Aug 2025
31 Mar 2026 (standard) 30 Sep 2025
30 Apr 2026 (late) 31 Oct 2025
31 May 2026 (late) 30 Nov 2025
30 Jun 2026 (late) 31 Dec 2025
31 Jul 2026 (late) 31 Jan 2026
31 Aug 2026 (late) 28 Feb 2026
30 Sep 2026 (late) 31 Mar 2026

 

General Approval applications

Here are the deadlines for submitting your General Approval (GA) application and claim. 

A GA application is how most businesses apply for the RDTI. 

Please note that:

  • you can submit your GA application any time during your income year - the deadlines shown are the final cut-off dates
  • the application deadline differs depending on your particular balance date and income year (most businesses have a standard balance date, unless you have been granted an early or late balance date by Inland Revenue)
  • if the deadline date falls on a weekend or public holiday, the application/claim may be filed the next working day. 

 

End of tax year / balance date

Application deadline
(7th day of the 2nd month following the end of your income year)
Claim deadline
31 Oct 2024 (early) 7 Dec 2024 The deadline for submitting your Supplementary Return is within 30 days after the due date of your income tax return.
30 Nov 2024 (early) 7 Jan 2025
31 Dec 2024 (early) 7 Feb 2025
31 Jan 2025 (early) 7 Mar 2025
28 Feb 2025 (early) 7 Apr 2025
31 Mar 2025 (standard) 7 May 2025
30 Apr 2025 (late) 7 Jun 2025
31 May 2025 (late) 7 Jul 2025
30 Jun 2025 (late) 7 Aug 2025
31 Jul 2025 (late) 7 Sep 2025
31 Aug 2025 (late) 7 Oct 2025
30 Sep 2025 (late) 7 Nov 2025

 

Criteria and Methodologies (CAM) applications

Here are the deadlines for submitting your Criteria and Methodologies (CAM) application and claim.

A CAM application is only available to businesses that intend to spend more than $2 million per income year on eligible R&D.

Please note that:

  • you can submit your CAM application any time before the deadlines shown, which are the final cut-off dates
  • the application deadline differs depending on your particular balance date and income year (most businesses have a standard balance date, unless you have been granted an early or late balance date by Inland Revenue)
  • if the deadline date falls on a weekend or public holiday, the application/claim may be filed the next working day. 
End of tax year / balance date Application deadline
(last day of the 6th month before the end of the first income year)
Claim deadline
31 Oct 2024 (early) 30 Apr 2024 The deadline for submitting your Supplementary Return is within 30 days after the due date of your income tax return
30 Nov 2024 (early) 31 May 2024
31 Dec 2024 (early) 30 Jun 2024
31 Jan 2025 (early) 31 Jul 2024
28 Feb 2025 (early) 31 Aug 2024
31 Mar 2025 (standard) 30 Sep 2024
30 Apr 2025 (late) 31 Oct 2024
31 May 2025 (late) 30 Nov 2024
30 Jun 2025 (late) 31 Dec 2024
31 Jul 2025 (late) 31 Jan 2025
31 Aug 2025 (late) 28 Feb 2025
30 Sep 2025 (late) 31 Mar 2025

 

General Approval applications

Here are the deadlines for submitting your General Approval (GA) application and claim. 

A GA application is how most businesses apply for the RDTI. 

Please note that:

  • you can submit your GA application any time during your income year - the deadlines shown are the final cut-off dates
  • the application deadline differs depending on your particular balance date and income year (most businesses have a standard balance date, unless you have been granted an early or late balance date by Inland Revenue)
  • if the deadline date falls on a weekend or public holiday, the application/claim may be filed the next working day. 

 

End of tax year / balance date

Application deadline
(7th day of the 2nd month following the end of your income year)
Claim deadline
31 Oct 2023 (early) 7 Dec 2023 The deadline for submitting your Supplementary Return is within 30 days after the due date of your income tax return.
30 Nov 2023 (early) 7 Jan 2024
31 Dec 2023 (early) 7 Feb 2024
31 Jan 2024 (early) 7 Mar 2024
28 Feb 2024 (early) 7 Apr 2024
31 Mar 2024 (standard) 7 May 2024
30 Apr 2024 (late) 7 Jun 2024
31 May 2024 (late) 7 Jul 2024
30 Jun 2024 (late) 7 Aug 2024
31 Jul 2024 (late) 7 Sep 2024
31 Aug 2024 (late) 7 Oct 2024
30 Sep 2024 (late) 7 Nov 2024

 

Criteria and Methodologies (CAM) applications

Here are the deadlines for submitting your Criteria and Methodologies (CAM) application and claim.

A CAM application is only available to businesses that intend to spend more than $2 million per income year on eligible R&D.

Please note that:

  • you can submit your CAM application any time before the deadlines shown, which are the final cut-off dates
  • the application deadline differs depending on your particular balance date and income year (most businesses have a standard balance date, unless you have been granted an early or late balance date by Inland Revenue)
  • if the deadline date falls on a weekend or public holiday, the application/claim may be filed the next working day. 
End of tax year / balance date Application deadline
(last day of the 6th month before the end of the first income year)
Claim deadline
31 Oct 2023 (early) 30 Apr 2023 The deadline for submitting your Supplementary Return is within 30 days after the due date of your income tax return
30 Nov 2023 (early) 31 May 2023
31 Dec 2023 (early) 30 Jun 2023
31 Jan 2024 (early) 31 Jul 2023
28 Feb 2024 (early) 31 Aug 2023
31 Mar 2024 (standard) 30 Sep 2023
30 Apr 2024 (late) 31 Oct 2023
31 May 2024 (late) 30 Nov 2023
30 Jun 2024 (late) 31 Dec 2023
31 Jul 2024 (late) 31 Jan 2024
31 Aug 2024 (late) 28 Feb 2024
30 Sep 2024 (late) 31 Mar 2024