T661    Claim for Scientific Research and Experimental Development (SR&ED;) in Canada

We have revised Form T661(03). The new Form T661(04) is available on the CRA's Web site and from any tax services office.

CRA has extended the deadline for accepting claims filed on the old Form T661(03) until September 30, 2005.

What's New - Changes to Form T661

What's New - Stock Options Benefits

You can view this form in:

PDF t661-04e.pdf (53 KB) (effective February 9, 2005)
PDF t661-03e.pdf (116KB) (filed on or before September 30, 2005)

Last update: 2005-02-09

This document is only available in electronic format.

Related document:
T4088 Claiming Scientific Research and Experimental Development - Guide to Form T661