What does an active Amazon.com selling partner need to do to participate in PrimeDay?

To participate in Prime Day, an active Amazon.com selling partner primarily needs to have products listed for sale on Amazon.com. This is the fundamental requirement for any Amazon selling event. While specific deals or promotions for Prime Day might require additional steps, such as submitting deals through Seller Central, the baseline is simply having an active product catalog. Opting in on a product detail page is not a mechanism for Prime Day participation; participation is managed through Seller Central or Vendor Central for deal submissions.