First of all, keep in mind that inauthentic does not mean you are selling fake or counterfeit products. Sometimes, Amazon just wants to ensure that all your goods are coming from valid suppliers. If it has any doubts regarding this, you will be greeted with an Amazon account suspension.
So, your main goal is to prove to Amazon that you are working solely with brands (manufacturers) or their authorized distributors. Therefore, try to do your best to provide Amazon with all the necessary documentation, such as letters of authorization and invoices. Invoices play a crucial role in Amazon’s decision whether to reinstate your account or not.
But first, let’s try to understand how you can get inauthentic suspensions if you are selling genuine products only.