Understand tax requirements when hiring a foreign contractor. Our guide provides essential insights for seamless compliance with international tax laws.You'll need to solicit applicants, review their applications, and make an offer with an independent contractor agreement. The FWPA provides protections for freelance workers in Illinois. Please fill out the following form completely. When a US company hires independent contractors who are US residents, it should have contractors complete Form W9. Create an international contractor agreement that defines the fees, payment terms, and scope of work. Onboard the contractor and begin work. 1. The Act goes into effect on July 1, 2024. The Act requires contracts and payments to freelance workers be made in a timely manner.