| Ex. AGY-AVIATION-SURFACE-057 | MBTA face-covering requirement effective May 6, 2020 (Executive Order for face coverings takes effect)Executive Order for Face Coverings Takes Effect Wednesday, May 6 | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation Authority (implementing the Governor's Order No. 31)State | May 5, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-BOS-092 | MBTA face-covering requirement for all customers effective May 6, 2020 (with rear-door boarding and disinfection protocols)Executive Order for Face Coverings Takes Effect Wednesday, May 6 (posted May 5, 2020) | MBTA (implementing COVID-19 Order No. 31) | Massachusetts Bay Transportation AuthoritySector regulator | May 5, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-BOS-093 | MBTA notice: face covering enforcement takes effect November 6, 2020Face Covering Enforcement Takes Effect November 6 (posted November 6, 2020) | MBTA | Massachusetts Bay Transportation AuthoritySector regulator | Nov. 6, 2020 | 2020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. AGY-AVIATION-SURFACE-070 | MBTA Spring 2021 Commuter Rail schedules (direction set Feb. 22, 2021; schedules effective Apr. 5, 2021)MBTA Sets Direction for Spring 2021 Commuter Rail Schedules | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation Authority (Commuter Rail)State | Feb. 22, 2021 | 2021 Q22021 Q3 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-071 | MBTA notice of Apr. 30, 2021: face coverings continue to be required on MBTA vehicles, stations and platforms for all riders including the fully vaccinated; State civil fines end Apr. 30, 2021, denial of boarding and removal continueReminder: Face Coverings Continue To Be Required on MBTA Vehicles, Stations and Platforms | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | Apr. 30, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-072 | MBTA notice of May 14, 2021: face coverings required on vehicles, in stations and facilities, on platforms and at bus stops for all riders regardless of vaccination statusReminder: Face Coverings Are Required on MBTA Vehicles, Stations and Platforms | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | May 14, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-BOS-095 | MBTA reminder: face coverings required on all MBTA vehicles, stations and platforms regardless of vaccination status; refusal grounds for denial of boarding or removalReminder: Face Coverings Are Required on MBTA Vehicles, Stations, Platforms (posted May 14, 2021) | MBTA (applying the CDC conveyance mask order, 86 Fed. Reg. 8025, and TSA security directives) | Massachusetts Bay Transportation AuthoritySector regulator | May 14, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. DUT-MA-029 | Order of the Commissioner of Public Health Regarding Face Coverings to be Worn in Certain Settings (May 28, 2021) (library exhibit MA-050; cross-reference, not re-saved)DPH face-covering order for health care facilities and board-licensed practice locations, congregate care, shelters, houses of correction… | Commissioner of Public Health Monica Bharel, with the approval of the Public Health Council and the Governor | MassachusettsState | May 28, 2021 | 2021 Q22021 Q3 | Standing dutyFace-covering requirementHealth care ordersWorkplace rulesOperating condition | Primary source read | |
| Ex. DUT-MA-007 | G.L. c. 111, s. 122Regulations relative to nuisances; examinations | General Court (codified statute; powers of municipal boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |
| Ex. DUT-MA-008 | G.L. c. 111, s. 127AState sanitary code; adoption; enforcement; jurisdiction | General Court (codified statute; State Sanitary Code adopted by the Department of Public Health and enforced by boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |
| Ex. DUT-MA-019 | 105 CMR 590.014(A)Permits: Suspension and Revocation; Summary Suspension of Permit/Emergency Closure without a Prior Hearing | Department of Public Health (State Sanitary Code, Chapter X; enforced by local boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |