Taxpayers only need to submit Form 1099-NEC if there is Arizona withheld. Taxpayers only need to submit Form 1099NEC if there is Arizona income tax withheld.What form do I use to submit an NEC request and where can I obtain it from? Forms for the state of Arizona. See the appropriate section below for the forms, guides or checklists needed for both commercial and residential construction. (show below). Forms. To view your account, make payment or review financial aid requirements, access your MyNEC account.