In this guide, we'll walk you through everything you need to know about bringing a selfemployed worker on board, wherever they are in the world. The agreement should contain language specifying a contractor relationship, not an employeremployee agreement.Understand tax requirements when hiring a foreign contractor. Our guide provides essential insights for seamless compliance with international tax laws. This form is not required when contracting with a business entity that has a valid Employer Identification Number (EIN). If you have questions about Independent Contractor Agreements or want one drafted, call local Phoenix Business Planning Attorney. Use our Independent Contractor Agreement to create a contract between a company and a contractor (or freelancer). Hiring an independent contractor in Arizona? Clearly establish the terms and expectations of the job with an official agreement. Explore Arizona's independent contractor laws and requirements.