Going to hire a contractor in the USA? Here's a basic list of what you'll give them: The written contract; W9 form; 1099NEC form.This is a written agreement under the compulsory Workers' Compensation laws of the State of Arizona, A.R.S. § 23901 (et. Several contractor agreements are available, each tailored to the nature of the services to be provided. Each agreement is comprised of a Checklist. The department should contact Tax Services if assistance is needed in making the independent contractor determination. Completing an ICON Form. Create an independent contractor agreement for the state of Arizona. Collect signatures from any device. Understand tax requirements when hiring a foreign contractor.