We understand that you have agreed to use Fulfillment by Amazon (FBA) for your orders. As a result, you may sell on Amazon.com again.
Please contact our Technical Account Management team to register for FBA. You can reach them using their web form in Seller Central (https://sellercentral.amazon.com/gp/contact-us/contact-amazon-form.html).
If your performance does not improve, or if you stop using FBA for your orders, we may not allow you to sell on Amazon.com.
Sincerely,