5. Shipping Advice/Instruction After making shipment, the seller should promptly advise the buyer of its effectuation, especially the transaction is concluded on fob and cfr basis. It has been an international practice stipulated in INCOTERMS 2000 For example5. Shipping Advice/Instruction:: After making shipment, the seller should promptly advise the buyer of its effectuation, especially the transaction is concluded on FOB and CFR basis. It has been an international practice stipulated in INCOTERMS 2000. For example: