Massachusetts does not have a legal definition for fulltime or parttime employees. 149, § 190 Conditions of employment for domestic workers Workers must be given a period of 24 consecutive hours off per week.Massachusetts is an at-will employment state, which means that, in general, an employer may terminate an employee at any time, and for any reason or no reason. This Massachusetts employment law overview reviews requirements employers should know if they have employees working in the state. This can be completed online or via mail or fax. Generally, employees who work more than 40 hours in any week must be paid overtime. If you do work the hours, you are entitled to overtime in accord with MA labor laws. First, Massachusetts employers must register with the Department of Revenue to collect withholding taxes. And filling out paperwork are not among them. However, it is important that farmers comply with state and federal laws on the farm.