Face Coverings Required in Acton as of on December 22, 2021 

All members of the public entering any public business premises, including but not limited to grocery stores, pharmacies, home improvement or retail stores and the like must cover their mouth and nose with a mask or cloth face covering, unless exempted by MDPH guidance https://www.mass.gov/info-details/covid-19-mask-requirements
 
All members of the public entering a restaurant or food establishment premises for purposes of picking up food for takeout must cover their mouth and nose with a mask or cloth face covering, unless exempted by MDPH guidance https://www.mass.gov/info-details/covid-19-mask-requirements
 
All members of the public when entering an indoor municipal property or building, including but not limited to the Acton Public Safety Facility, Acton Town Hall, Acton Memorial and Citizens Library and Acton Fire Stations, must cover their mouth and nose with a mask or cloth face covering, unless exempted MDPH guidance https://www.mass.gov/info-details/covid-19-mask-requirements