ARCHIVED - T4088 Scientific Research and Experimental Development (SR&ED) Expenditures Claim - Guide to Form T661

This document is a guide to Form T661, Claim for Scientific Research and Experimental Development (SR&ED) Carried Out in Canada.

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  • Online format t4088-e.html
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  This form is also available for the years listed below:

  • 2020 – Standard print PDF (t4088-20e.pdf)
  • 2015 – Standard print PDF (t4088-15e.pdf)
  • 2014 – Standard print PDF (t4088-14e.pdf)
  • 2013 – Standard print PDF (t4088-13e.pdf)
  • 2012 – Standard print PDF (t4088-12e.pdf)
  • 2011 – Standard print PDF (t4088-11e.pdf)
  • 2010 – Standard print PDF (t4088-10e.pdf)
  • 2008 – Standard print PDF (t4088-08e.pdf)
  • 2007 – Standard print PDF (t4088-07e.pdf)
  • 2006 – Standard print PDF (t4088-06e.pdf)
  • 2004 – Standard print PDF (t4088-04e.pdf)
  • 2003 – Standard print PDF (t4088-03e.pdf)
  • 2001 – Standard print PDF (t4088-01e.pdf)

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Related documents

• T661 Scientific Research and Experimental Development (SR&ED) Expenditures Claim
• Scientific Research and Experimental Development Tax Incentive Program