Hiring international contractors requires knowledge on foreign labor laws and processes. Learn how to hire overseas contractors today.An independent contractor agreement is a contract between a freelancer and a client outlining work specifics. If you are hiring a foreign contractor, you will need to have them complete IRS Form W8BEN. You will file a W-8BEN or W8BENe to your customer so they don't withhold any tax as per the tax treaty because you are not working in the US. Going to hire a contractor in the USA? Send the application to DOPL, PO Box 146741, Salt Lake City, UT 84114-6741. Why am I required to register my corporation, LLC, partnership, joint venture, etc. An international contract is an agreement signed between resident parties living in different countries to perform certain activities for a specific purpose. An Independent Contractor Agreement (IC agreement) is a contract between an individual and the company that will be employing them.