T661(12) 2025

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The document is a form (Code 1201) for claiming Scientific Research and Experimental Development (SR&ED) expenditures in Canada. It provides guidelines for submitting technical information, calculating SR&ED expenditures, and determining qualified expenditures for investment tax credits (ITC). The form includes sections for general information, project details, expenditure calculations, and necessary certifications. It emphasizes the importance of filing within 12 months of the income tax return due date and retaining supporting documents.

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Click ‘Get Form’ to open the T661(12) in the editor.
Begin with Part 1, General Information. Fill in your name, Business Number (BN), and tax year dates. Ensure all contact details are accurate for both financial and technical information.
Move to Part 2, Project Information. For each project, provide a title, start date, and completion date. Specify if the project is a continuation or first claim and indicate any collaboration with other businesses.
In Section B of Part 2, describe the technological advancements you aimed to achieve and outline any obstacles faced. Summarize the work performed during the tax year to overcome these challenges.
Proceed to Part 3 for calculating SR&ED expenditures. Choose your calculation method and enter relevant figures for salaries, materials, and contract expenditures.
Complete Parts 4 through 9 as required, ensuring all sections are filled accurately before submitting your claim.

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Versions	Form popularity	Fillable & printable
2020	4.8 Satisfied (105 Votes)
2015	4.4 Satisfied (165 Votes)
2013	4 Satisfied (51 Votes)
2012	4.4 Satisfied (96 Votes)
2011	4.3 Satisfied (62 Votes)

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What is eligible for SRED?

Determining if a project is eligible for a SRED tax credit means showing a systematic investigation or search thats carried out in a field of science or technology by means of experiment or analysis and that the work performed involves basic research, applied research or experimental development.

What is the T661 form?

Use the T661 expenditures claim form To report your expenditures, you must first calculate how much you spent on an SRED project during the tax year. Use Form T661 to calculate your: Allowable expenditures. Pool of deductible expenditures. Qualified SRED expenditures.

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