Does TaxJar work with individual Amazon accounts?
According to Amazon, to be eligible to connect TaxJar to Amazon, sellers must have at least one of the following: a non-individual Selling on Amazon account, an Amazon WebStore account, a Checkout by Amazon account, or an Amazon Product Ads account.
Sellers with only individual Selling on Amazon accounts are not eligible to register for or use MWS. If you are an individual seller and would like to use MWS, you can become eligible to register for MWS by upgrading to a Pro Merchant seller account from the Amazon Services Selling on Amazon page. For more info, go to this page.