An independent contractor agreement is a legally binding document that specifies the terms of engagement between a business and a freelancer. This article will outline four steps for hiring international contractors overseas and how Wise can help cut costs on global payments.11.14 Independent Contractor. Collect IRS Form W8BEN (or W8BENE) for foreign independent contractors. 3.03 Independent Contractor. Beauty Parlors, Barbershops, Hair Salons, Hairdressers Management Will Stay.