This section contains answers to frequently asked questions (FAQs), the full library of RDTI How-To Guides, and further information to help you understand the R&D Tax Incentive.

Guides
How-to guides
It pays to do some research before launching into any R&D, so with help from experts at Callaghan Innovation, Inland Revenue and MBIE, we’ve put together a set of guides to assist you throughout your RDTI journey.

Guide
RDTI transition support for former Growth Grant recipients
The Growth Grant has been phased out and replaced with the R&D Tax Incentive (RDTI). Find transition support for your business here.

Guide
Information for Project Grant recipients
Project Grant recipients can find useful information about the R&D Tax Incentive and implications for claiming here.

Support
Frequently asked questions
Find the answers to our most frequently asked questions about the 15% Research and Development Tax Incentive (RDTI).

MARCH 2022 PDF
Guidelines for digital technology sector
These guidelines, published by Inland Revenue, provide clarity on what digital technology related R&D is included in the RDTI.