>One thing you could do would be to put an explanation and/or link to reasons why you currently have to charge the tax to everyone, on the PUTM sign-up/renewal or invoicing page.

I put one on the main page, right under the login, and it will remain there until the issue resolved.

>As it stands now, someone signing up for PUTM for the first time sees a price of C$142.00 for one year. Then, it increases by 15% when they actually go to pay - an unexpected, unpleasant surprise.
>
>If you put up an explanation or link that would probably alleviate some of the hostile phone calls you've been fielding on this topic.

This is a two way versions. It could good and bad depending on each unique situation. This is why we answer to them one by one.