Real end buyers for buying petroleum products don’t have their own procedures.  A real buyer either agrees to End Seller ‘s procedure or pass it.
Buyer knows that Genuine Real End Seller would not ask any upfront fee and draft contract (SPA) should open for amendment if any.
However, experienced buyer of petroleum productsfocus on the most important things as follow:
1- Contract (SPA) does not have any upfront fee.
2- seller should issues 2%PB in favor of buyer.
3- Payment at discharge port after successful QQ/CIQ report for CIF.
4- Competitive price.
5- Specifications of the product.
6- Timely service, Hassle free.