[Real Canadian Superstore] Get 5,000 PC Points ($5) when you spend $20 or more on your next purchase (Sept. 11 to 13)

Attached full screen capture with T&Cs. Offer valid between Sept 11 and 13th in Western Canada…

Thanks to Bubblegum86, you should be able to use at self checkout.

Hit start -> Optimus card -> scanned my barcode for points-> scanned merchandise -> clicked on button for discount and selected the one with the percentage off sign on it -> scanned 5k barcode and paid. Showed instantly in my app + receipt