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.
Ways to access the information
Read the publication
- Online format t4088-e.html
- PDF t4088-26e.pdf
Previous years: Standard print PDFs
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)
Ask for an alternate format
You can order a digital audio, e-text, braille or large print version of this publication to be sent to you by mail.