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Clickable Form T661 (10) – Scientific Research and Experimental Development (SR&ED) Expenditures Claim

The clickable version of the claim Form T661 (10) is a Web-based tool that gives you quick access to line specific information in the Guide to Form T661. You may use it to get information on how to complete each line of the Form T661.

If you cannot find the information you are looking for, you may refer to the detailed Guide to Form T661 or contact your tax services office.

To start, select the relevant Part (1 to 8) of the Form that includes the line number for which you need more information: