There are many, many different F.O.B. terms such as "F.O.B.
While it's the seller that normally sets F.O.B. terms, if the buyer is a major customer and has a great deal of leverage, there's nothing to stop the buyer from trying to change the F.O.B.
In the F.O.B. origin plan, the delivered price to the customer is a base price (e.g., price of the product) plus the exact cost of delivery.
Past research on the F.O.B. origin and the uniform delivered plans have generally assumed that one of these two plans is implemented exclusively.
When that's completed at the factory, warehouse, or some other specified location and the carrier signs the bill of lading, if terms are F.O.B. factory or F.O.B.
It's normally the seller that sets the F.O.B. terms.
The reason why F.O.B. Origin terms are more widely used than F.O.B.
If the terms of sale are F.O.B. Origin , Freight Prepaid and Charged (more commonly called Freight Prepaid and Add ), it means the seller pays the freight charges and then adds those charges to its invoice to the buyer.