Executive Order 13991

Executive Order 13991, officially titled Protecting the Federal Workforce and Requiring Mask-Wearing (and also referred to as the 100 Day Masking Challenge), is an executive order signed by U.S. President Joe Biden on January 20, 2021.^[1] The order commands federal agencies and properties to require that mitigations to help reduce the spread of Coronavirus disease 2019 (COVID-19), as recommended by the Centers for Disease Control and Prevention (CDC), be employed and enforced by the employees and visitors of federal land and properties, including social distancing and the wearing of face masks.^[2]

Executive Order 13991

Protecting the Federal Workforce and Requiring Mask-Wearing
President Biden signs a series of Executive Orders amongst which was order 13991 shortly after his inauguration on January 20th, 2021.
Type	Executive order
Number	13991
President	Joe Biden
Signed	January 20, 2021 (2021-01-20)
Federal Register details
Federal Register document number	2021-01766
Publication date	January 20, 2021
Summary
Requires mask wearing on all federal lands and in all federal buildings. Additionally requires social distancing be maintained in federal buildings.
Repealed by
Executive Order 14122, "COVID-19 and Public Health Preparedness and Response", April 12, 2024

Provisions

The order states that the heads of executive departments and agencies "shall immediately take action, as appropriate and consistent with applicable law, to require compliance with CDC guidelines with respect to wearing masks, maintaining physical distance, and other public health measures" by visitors and employees of federal land and properties, and commands the Secretary of Health and Human Services to "engage" with political leaders and community members to "[maximize] public compliance with, and addressing any obstacles to, mask-wearing and other public health best practices identified by [the] CDC."^[3][4] The order was revoked on April 12, 2024.

See also

• List of executive actions by Joe Biden