Good Evening @Seller_fBsKKzczvRFoj - It looks like one of our seasoned sellers @Seller_z3XfkorVSmnEY was able to provide some guidance regarding your question around canonical URLs.

If their reply helped you, feel free to mark it as “Most Helpful reply” using the 3 dots in the corner of their post. It's a best practice just in case another seller comes along and asks a similar question, it will be easy for them to find the answer.

Please let us know on this discussion if you require additional assistance or you can always contact Selling Partner Support with inquiries at anytime. Thank you for checking in with us on the Seller Forums and for choosing to sell on Amazon. Have a great rest of the week! ~ Cooper_Amazon