T661 Scientific Research and Experimental Development (SR&ED) Expenditures Claim
What's new - Changes to Form T661
We have revised the form to be consistent with the language of the revised Eligibility of Work for SR&ED Investment Tax Credit Policy dated April 24, 2015, and to reflect the legislative changes from Bill C-45 (2012) that became law in December 2012 and Bill C-4 (2013), which became law in December 2013.
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Last update: 2015-11-10
This document is only available in electronic format.
Previous-year versions are also available.
T4088 Scientific Research and Experimental Development (SR&ED) Expenditures Claim - Guide to Form T661
SR&ED T661 Claim Form – 2013 Revision – Claim preparer information
SR&ED T661 Claim Form – Revised optional filing measure for Part 9
Scientific Research and Experimental Development Tax Incentive Program
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