Rule 12-4-1.5 - Requirements for Transitioning to E-invoicingA. All vendors who contract with a state agency must agree to invoice the State electronically through PayMode.B. To register for PayMode E-invoicing, vendors must first register with PayMode for E- payment.C. Vendors must then complete additional information on the PayMode website to enroll in E-invoicing.D. Vendors may request assistance in enrolling in PayMode E-invoicing by contacting PayMode Customer Support at 1-866-252-7366.