Hire international independent contractors, access the global talent pool, obey local labor laws, and handle tax implications efficiently. Laws, regulations, cases, and web sources on the classification of workers as employees or independent contractors in Massachusetts.A human subject payment. NO - An Independent Contractor Questionnaire is NOT required, but other policies may apply. Need to pay international contractors? This how-to guide provides the best methods and resources to make overseas payments quickly, safely and securely. Learn how U.S. companies can hire foreign independent contractors, covering legal aspects, benefits, and compliance tips. Learn the Department of Revenue's (DOR's) registration requirements when working as an outofstate contractor or subcontractor in Massachusetts. Massachusetts does not have a statutory definition of "independent contractor. In this guide, we'll explore different payment schedules and methods, best practices, and compliance issues your organization should be familiar with.