My information is from secondary sources in all cases; I don't have the funds or time to access to primary documents. I can't say as to the accuracy of anything I've posted so far, but it seems correct.
The primary online source I was referring to was:
He's kind enough to list his sources and actually lists your site in his links page:
For the personnel and equipment for Commonwealth Infantry Battalions he cites:
An Infantry Battalion, ref II/233/2, notified in Army Council Instructions 19th May 1943, effective date 30th April 1943.
An Infantry Battalion, ref II/233/3, notified in Army Council Instructions 29th November 1944, effective date 12th November 1944.
I then checked it against what's listed in Jean Bouchery, "The Canadian Soldier" Histoire & Collections, 2002. ISBN-13: 978-2913903517
I see that you've written a review of that book at Amazon, so you're well familiar with it - I include the ISBN for the reference of other novice readers like myself who are only beginning their studies of Canadian military history.
In case it interests you, in relation to your research on Parachute units, he does have this page: