Guests traveling to Massachusetts from states other than Maine, New Hampshire, Vermont, New York, Rhode Island, Connecticut, New Jersey and Hawaii must quarantine for 14 days or provide a negative Covid test taken 72 or fewer hours before arrival.  A travel form must be completed.  More information available here: https://www.mass.gov/info-details/covid-19-travel-order.   Residents of states listed above do not have to quarantine or provide test results.