Login to your local store merchant account at: https://merchants.shoptoit.ca/
Click on 'Business Information' either on the left hand menu or on the main screen.
Then click on 'Enhanced Information'.
Scroll down to "Select the primary category in which you sell your products or services" and choose the top category for the products you offer. Please choose only one category. If you are unsure of which top-level category your products would be best suited in please go to: http://www.shoptoit.ca/shop/ to see all of the categories on Shoptoit.ca.
Scroll to the bottom of the page and click on 'save' to save your changes.