During the early registration period (October 1 - January 1), the fee is (USD) $350 for each brand entered. From January 1 until the close of registration, the fee is $400 per brand.
Each oil is its own brand. If you would like to participate with an Arbequina and a Picual, for example, you will need to register two brands. The same goes for different blends.
The cost to ship your sample varies depending on the origin and courier.