Verizon West EDI Documentation (GTE Supply) EDI Program Summary 810 - Invoice v4010   PDF Format HTML Format 850 - Purchase Order v4010   PDF Format HTML Format 850 - Purchase Order v4030   PDF Format HTML Format 855 - Purchase Order Acknowledgment v4010   PDF Format HTML Format Sample Transaction and Comments Checklist 856 - Ship Notice/Manifest v4010   PDF Format HTML Format Sample Transaction and Comments Checklist