Of Homeland Security. Massachusetts does not have a legal definition for fulltime or parttime employees.Employment Eligibility Verification (Form I9). Employers in Massachusetts must complete Form I-9, Employment Eligibility Verification. A summary of laws governing minors' hours of work and hazardous occupations can be found at the end of this application form. Fill out all forms that need to be filed and notify your Workers' Compensation insurance company of all injuries and illnesses. How to fill it out when fields don't reallyl match type of activity? Please list below your Employment History beginning with your most recent employer. This file provides detailed instructions for filling out a workers' compensation claim form. It assists workers in reporting job-related injuries or illnesses.