| Ex. MET-CHI-050 | CTA coronavirus operating rules: passenger capacity limits, rear-door boarding, mask requirement (agency page as archived June 2, 2020)CTA - Coronavirus (COVID-19) information: service, capacity limits, rear-door boarding, masks | Chicago Transit Authority, in conjunction with the Chicago Department of Public Health | Chicago Transit Authority service area (Chicago and 35 suburbs)Sector regulator | June 2, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Capacity limitFace-covering requirementTravel and quarantine | 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. DUT-IL-019 | Emergency amendment to 77 Ill. Adm. Code 690 (Section 690.50), 45 Ill. Reg. 987, effective January 4, 2021, as summarized in The Flinn Report, Vol. 45, Issue 3 (Jan. 15, 2021), with JCAR's vote of January 12, 2021Re-adoption of the business face-covering and gathering rule for 2021, 'nearly identical' to 44 Ill. Reg. 13807; JCAR motion to object and… | Joint Committee on Administrative Rules (JCAR), Illinois General Assembly (The Flinn Report), describing the Illinois Department of Public Health's emergency rule | IllinoisState | Jan. 4, 2021 | 2021 Q12021 Q2 | Standing dutyCapacity limitGathering capFace-covering requirementWorkplace rulesStanding duty | Confirmed from a secondary source | |
| Ex. MET-CHI-051 | Metra COVID-19 operating rules: mask mandate and alternate schedules (agency page as archived Aug. 2, 2021)Metra - Coronavirus: face coverings required; alternate weekday and Sunday/holiday weekend schedules | Commuter Rail Division of the Regional Transportation Authority (Metra) | Metra commuter rail service area (Cook and the five collar counties)Sector regulator | Aug. 2, 2021 | 2021 Q3 | Face-covering requirementTravel and quarantineOther | Confirmed from a secondary source | |
| Ex. SEC-15-026 | Executive Order 2021-18 (masks in all public and nonpublic P-12 schools), followed by EO 2021-20 (Aug. 26, 2021; statewide indoor masks; school and higher-education vaccination-or-testing)Executive Order 2021-18 | Governor JB Pritzker | IllinoisState | Aug. 4, 2021 | 2021 Q3 | Face-covering requirementSchools and child care | Confirmed from a secondary source | |