Payments by Non Prime Customers & Special Deliveries
Customers shopping without a Prime membership will need to pay extra for Prime shipments. This revenue will, at first, be partly attributed to the seller. The same goes for Prime Customers paying extra for certain special delivieries, for example over-night.
Retrospective Deduction within "Promotion" Fees
Amazon will deduct this amount retrospectively via other fees, while Amazon's API will include the amount within the "Promo" fees.
Example of FBA seller with no running promotions
FBA Seller is shown 523£ shipping revenue, which makes up 3% of Gross Revenue:
These 3% are then deducted on the costs side as Promo losses: