Husch Blackwell LLP (law-firm tracker), Husch Blackwell 'Colorado: State-by-State COVID-19 Guidance' tracker (live page rendered Sept. 26, 2026; updates through Apr. 15, 2021) (Ex. MET-DEN-035)
Nevada OSHA, Division of Industrial Relations, Nevada OSHA Updated Guidance for Business Operations under the State of Nevada's Declaration of Emergency - Directive 044 (Apr. 26, 2021) (Ex. AGY-ST-LABOR-WORKPLACE-037)
Washington State Department of Health, Emergency rule WSR 21-11-016, WAC 246-358-002 as revised (vaccination-status revisions to the temporary worker housing COVID-19 requirements) (May 7, 2021) (Ex. AGY-ST-AGRICULTURE-PARKS-WILDLIFE-062)
Washington State Department of Labor and Industries, Emergency rule WSR 21-11-012, WAC 296-307-16102 as revised (vaccination-status revisions) (May 7, 2021) (Ex. AGY-ST-AGRICULTURE-PARKS-WILDLIFE-063)
Louisiana State Board of Elementary and Secondary Education, BESE emergency rule revision of May 12, 2021 - face covering policy; expiration of minimum standards June 30, 2021 (Ex. LA-073)
MIOSHA, Department of Labor and Economic Opportunity, MIOSHA Emergency Rules: Coronavirus Disease 2019 (COVID-19), as amended May 24, 2021 (Ex. MI-074)
American Bar Association, ABA Profile of the Legal Profession 2021 (July 1, 2021) (Ex. SEC-12-082)
RTD, RTD release: Mask Mandate Still In Effect (July 15, 2021) (Ex. MET-DEN-034)
Washington State Department of Health (incorporated by Proclamation 20-09.4), DOH 820-105, K-12 COVID-19 Requirements for Summer 2021 and the 2021-2022 School Year (later retitled Requirements and Guidance to Mitigate COVID-19 Transmission in K-12 Schools) (July 28, 2021) (Ex. WA-076)
Commuter Rail Division of the Regional Transportation Authority (Metra), Metra COVID-19 operating rules: mask mandate and alternate schedules (agency page as archived Aug. 2, 2021) (Ex. MET-CHI-051)
Oregon Health Authority, Public Health Division, OAR 333-019-1015 (Aug. 2, 2021; masking requirements for K-12 schools, public and private) and OAR 333-019-1030 (Aug. 25, 2021; COVID-19 vaccination requirement for teachers and school staff by Oct. 18, 2021) (Ex. SEC-15-086)
Delaware Department of Education, Office of Child Care Licensing, Emergency Orders adding mask requirements to 14 Del. Admin. Code 933 (Early Care and Education and School-Age Centers), 934 (Family and Large Family Child Care Homes), 938 (Youth Camps, new section 5.3), 815 and 105 (published 25 Del. Reg. 227-244, Sept. 1, 2021) (Aug. 13, 2021) (Ex. SEC-15-068)
New Jersey Department of Health (Acting Commissioner Jeffrey A. Brown for the 2025 revision), Executive Directive No. 21-011 (5th Revision, August 21, 2025) (Sept. 14, 2021) (Ex. NJ-082)
Greater Cleveland Regional Transit Authority, Federal Mask Mandate for Public Transportation Extended to Jan. 18, 2022 (GCRTA release, Aug. 24, 2021) (Ex. MET-CLE-042)
Commissioner of Elementary and Secondary Education Jeffrey C. Riley, under authority voted by the Board of Elementary and Secondary Education Aug. 24, 2021, DESE mask requirement for all public K-12 students, staff and visitors for 2021-22 (issued Aug. 25, 2021; extended Sept. 27, Oct. 26, 2021 and Jan. 10, 2022) (Ex. SEC-15-081)
New York State Department of Health (Commissioner Howard Zucker, M.D., on direction of Governor Kathy Hochul), Emergency regulations: 10 NYCRR 2.60 (Aug. 27, 2021; universal masking in all public and private P-12 schools) and 10 NYCRR 2.62 (Sept. 2, 2021; weekly testing of unvaccinated school personnel) (Ex. SEC-15-087)
Idaho Department of Health and Welfare, Statewide expansion of Crisis Standards of Care activation (Sept. 16, 2021) (Ex. ID-072)
U.S. Travel Association (data: Tourism Economics), U.S. Travel Forecast page: U.S. Travel Spending (inflation-adjusted 2025 dollars, in billions): 2019 1,412; 2020 885; 2021 1,118; 2022 1,248; 2023 1,308 (Sept. 27, 2026) (Ex. SEC-21-064)
