The Eni spokesman said the company “is not aware if, or has evidence of, a precise geographical origin different from that indicated on the documents of origin and load.” Washington tightened its sanctions on Tehran at the start of May with the expiration of waivers that had allowed some countries, including Italy, to purchase limited volumes of Iranian oil . Eni already had voluntarily stopped buying Iranian crude in October. The incident highlights the challenges energy companies face in meeting Washington’s stricter due-diligence guidelines for potentially deceptive shipping practices in maritime trade. Eni recently has faced questions about the oil in question at an Italian Senate hearing, the company spokesman said. Oando Trading’s general manager of corporate development Effanga Effanga, said “at the point of loading there was a joint inspection between Eni and Oando and it met contract specifications and at the point of discharge we found out […]