Essential primary source documents from the CRA
Wolters Kluwer CCH Tax Window Files is a collection of published Technical Interpretations, Advance Tax Rulings and internal memoranda from CRA staff written in response to questions and inquiries.
Tax Window Files provides you with an enormous volume of internal CRA documents, complete with comprehensive linking to related documents to power your research.
Combine Tax Window Files with the commentary provided in Window on Canadian Tax to gain a comprehensive understanding of how the CRA works.
The Internet version is updated weekly.
Wolters Kluwer CCH research subscriptions deliver the most timely, relevant and reliable tax information and commentary to Canada's tax professionals, significantly reducing research time.
Professionals who subscribe to the Tax Window Files also find these publications instrumental to their practice: