Lodgment
Complete and lodge the Research and development tax incentive schedule 2026 with the Company tax return 2026. See How to lodge your company tax return and pay.
If you request an amendment
If your company has made a request for an amendment that includes changes to its R&D claim, you must complete a Research and development tax incentive schedule 2025 showing the amended figures. Send this schedule, with a letter requesting the amendment to:
Australian Taxation Office
PO Box 3004
PENRITH NSW 2740
Continue to: Instructions to complete the R&D tax incentive schedule 2026
Return to: How to get the Research and development tax incentive schedule 2026