From the Mass.gov COVID website:
BOSTON — Today, the Baker-Polito Administration announced several updates related to the COVID-19 outbreak including extending the non-essential business emergency order and guidance for Executive Branch employees until May 4. The Department of Public Health’s Stay-At-Home Advisory remains in effect. The Administration also updated the “COVID-19 Essential Services” categories for businesses and other organizations that provide essential services and workforces related to COVID-19 that are permitted to operate brick and mortar facilities during the emergency.
Essential Services Order: Governor Charlie Baker’s emergency order requiring that all businesses and organizations that do not provide “COVID-19 Essential Services” close their physical workplaces and facilities to workers, customers and the public will be extended until May 4. Businesses and organizations not on the list of essential services are encouraged to continue operations through remote means that do not require workers, customers, or the public to enter or appear at the brick-and-mortar premises closed by the order. This order also prohibits gatherings of more than 10 people until May 4th.