Employers must report newly hired employees and independent contractors to us within 14 days of their first day of work. Forms to be filled out.Form I-9 Employment eligibility verification form, US Dept. Every new employee must complete the U.S. Citizenship and Immigration Services' Form I9, "Employment Eligibility Verification. This can be completed online or via mail or fax. To make an effective and hire in Massachusetts, follow the guidelines of this post and present new hires with all federally required forms and information. This guide will help you file formation documents, get tax identification numbers, and set up your company records. The incorporator should also fill out and sign an "Incorporator's Statement" showing the names and addresses of the initial directors. A good way to start a conversation with a new employee is to talk about the job.