Responsibilities1. Verify contractor time and material invoices.a. Compare contractor time with our gate logs.b. Verify that supporting documentation is included with the invoice for materialspurchased by the Contactor.2. Obtain appropriate approval authority to pay invoices through signature or email approval.a. Verify that the supporting documentation with the signature of the receiver is includedfor parts received.b. Obtain the appropriate approval authority for payment of contractor service invoices.c. ...