T661 Scientific Research and Experimental Development (SR&ED) Expenditures Claim

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PDF t661-20e.pdf
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Last update: 2022-07-08

Previous-year versions are also available.

Related documents:

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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Date modified:: 2022-07-08