1. Ascertain that the purchase requisition from Thome Ship Management is properly approved (K.Chittapol/Ship Master) before submission to Thaioil marine and approved by K. Sopon (Marine Co-operation Management manager)
2. Ascertain that the purchase order raised is approved by K. Sopon (Marine Co-operation Management manager)
3. Ascertain that the PO, Invoice and delivery order are matched.