Member makes PO to CES + submits PO & quote using completed online submission form in the BlueBook → CES creates PO to Vendor / Contractor → Vendor / Contractor invoices CES → CES invoices Member → Member pays CES → CES pays Vendor / Contractor
Procure-to-Pay directly from Vendor online ecommerce site
Member makes PO to Vendor → Vendor invoices Member → Member pays Vendor