| Ex. LA-073 | BESE emergency rule revision of May 12, 2021 - face covering policy; expiration of minimum standards June 30, 2021BESE revises minimum COVID-19 school safety standards to clarify face covering policy | Louisiana State Board of Elementary and Secondary Education | LouisianaSector regulator | May 12, 2021 | 2021 Q2 | Face-covering requirementSchools and child care | Confirmed from a secondary source | |
| 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. MET-DCM-071 | Face covering requirement for all Metro customers (announced May 2020)Face coverings required on Metro (Metrorail, Metrobus, MetroAccess) | WMATA | WMATASector regulator | May 14, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. MET-SAT-016 | VIA release: customers required to wear face coverings beginning Wednesday, April 22, 2020VIA Customers Required to Wear Face Covering Beginning Wednesday | VIA Metropolitan Transit | VIA Metropolitan TransitSector regulator | Apr. 20, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. MET-PHX-039 | Face Coverings Required on Transit Vehicles (City ordinance approved Jan. 4, 2021; Mayor's proclamation)Face Coverings Required on Transit Vehicles - Sun Tran | Tucson Mayor and Council (Jan. 4, 2021 transit safety ordinance) and Mayor Regina Romero (proclamation), as posted by Sun Tran | City of Tucson, Arizona (Sun Tran, Sun Link, Sun Van, Sun Shuttle)Sector regulator | Jan. 4, 2021 | 2021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantineWorkplace rules | Confirmed from a secondary source | |
| Ex. MET-LA-070 | Metro face-covering requirement for all riders on Metro buses and trains, effective Monday, May 11, 2020 (announcement of May 7, 2020)Metro to require use of face coverings by riders on Metro buses and trains beginning Monday, May 11 | Los Angeles County Metropolitan Transportation Authority (Metro), announced by The Source (Metro's official news site) May 7, 2020 | Los Angeles County Metropolitan Transportation Authority (LA Metro) system (buses and rail across Los Angeles County)Sector regulator | May 7, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementOther | Confirmed from a secondary source | |
| Ex. IL-021 | IDPH emergency amendments to 77 Ill. Adm. Code Part 690 (enforcement against businesses of face-covering and gathering-size requirements)Emergency rules on face coverings and gathering sizes for businesses, schools, day cares and other establishments | Illinois Department of Public Health (Governor Pritzker announcing) | IllinoisSector regulator | Aug. 7, 2020 | 2020 Q32020 Q4 | Gathering capFace-covering requirementWorkplace rules | Confirmed from a secondary source | |
| Ex. MET-PDX-047 | Public-service campaign release confirming that TriMet has required riders, operators and other employees to wear face coverings on board since mid-May 2020 at OHA direction; passenger limits and 3-foot seat spacing continuing (Aug. 21, 2020)'Always wear your mask on transit and in the community.' Local celebs join TriMet to encourage people to cover up for safety | TriMet, at the direction of the Oregon Health Authority | Tri-County Metropolitan Transportation District of Oregon (TriMet)Sector regulator | Aug. 21, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Capacity limitFace-covering requirement | Confirmed from a secondary source | |
| Ex. LA-072 | BESE emergency rule of July 14, 2020 - Minimum Health and Safety Standards for the Reopening of Louisiana Schools (2020-2021), as described in BESE's releaseBESE adopts minimum health and safety standards for the reopening of Louisiana schools | Louisiana State Board of Elementary and Secondary Education (BESE) | LouisianaSector regulator | July 14, 2020 | 2020 Q32020 Q42021 Q12021 Q2 | Capacity limitGathering capFace-covering requirementSchools and child careWorkplace rules | Confirmed from a secondary source | |
| Ex. MET-SAT-062 | VIA COVID-19 information page (captured July 24, 2021): masks required per federal order; GA-34 does not affect VIA's requirementVIA COVID-19 page: 'Masks will be required per federal order' | VIA Metropolitan Transit | VIA Metropolitan TransitSector regulator | July 24, 2021 | 2021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. MET-DCM-073 | COVID-19 Pandemic Recovery Plan (phased service restoration)Metro's COVID-19 gradual recovery plan (May 2020) | WMATA (General Manager/CEO) | WMATASector regulator | May 14, 2020 | 2020 Q22020 Q32020 Q4 | Face-covering requirementTravel and quarantineOther | Confirmed from a secondary source | |
| Ex. MET-DEN-035 | Husch Blackwell 'Colorado: State-by-State COVID-19 Guidance' tracker (live page rendered Sept. 26, 2026; updates through Apr. 15, 2021)Colorado State-by-State COVID-19 Guidance | Husch Blackwell LLP (law-firm tracker) | Colorado (statewide tracker with Denver entries)Sector regulator | Apr. 15, 2021 | | Other | Confirmed from a secondary source | |