The piece of paper that goes by many aliases! The sales tax Id is also called a Retail or Resellers License, State Sales Tax Id, Tax Id, Resale Number, Resale Certificate, or Vendor's License. If you live outside the US, you just need to provide something equivalent in your country, for example your VAT registration in the EU or the UK, or your ABN or GST registration in Australia and New Zealand.
@bobstir: Try going to this link Link hidden: Login to view
It's an article written to guide you with how to set-up your business in the UK. The needed links are provided in there for your VAT registration. Or you can visit Link hidden: Login to view
@edmax100: Please visit Link hidden: Login to view
@tanya17lynn: Please read this article Link hidden: Login to view
You should find the necessary information and links to getting a Tax ID in Canada.
Hope this helps. Cheers to you all :)