- Sales made to Canadian residents but delivered in Washington are subject to tax
- Some businesses in Washington receive packages on behalf of Canadian residents
- Canadian residents can pick up the packages from the Washington business and avoid international shipping costs and waits at customs
- Sellers must collect and remit retail sales tax from the Canadian buyer and pay retailing B&O tax
- These sales do not qualify as export sales
- Residents of Alberta, the Northwest Territories, Nunavut or Yukon may qualify for a refund of the state portion of retail sales tax
Source: salestaxinstitute.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.