https://articlescad.com/ten-qu....ick-etiquette-points
In Canada, exports are "zero-rated" sales for S.S.T. purposes. This means that in the event that ship a program to someone outside Canada, you don't charge H.S.T. Yet, you get to claim (or deduct from the G.S.T. collected by you) all the "input tax credits" (G.S.T. that you paid for business purposes) to make that move. The idea, I suppose, for you to encourage exporting. Shaving removes the tapered end among the hair as a result it feels sharp and stubbly when it appears again above the sk