If you trade on Amazon USA through a Australian company, you will need to file a Form 1120F and accompanying Form 8833 with the IRS by 15 December 2018.
The Form 1120-F is a U.S. Income Tax Return of a Foreign Corporation and is required by all corporations (companies) who engage in a trade or business in the United States.
If you sell on Amazon USA, you engage in a trade or business in the United States.
The form is complex but the good news for Australian based Amazon Seller, we will be claimed the Double Taxation Agreement benefits.
We now offer a service to prepare and file the Form 1120-F for our clients.
The due date for Form 1120-F is on the 15th of December 2018 for Australian companies with no permanent establishment in USA.