To help states respond to the ongoing coronavirus (COVID-19) pandemic, the White House, the U.S. Department of Health and Human Services, and the Centers for Medicare and Medicaid Services have invoked various emergency authorities that allow for temporary flexibilities in the Medicaid and the Children’s Health Insurance Program programs. Congress also has passed legislation that provides additional federal support for state Medicaid programs, subject to certain conditions. The table describes the effective dates of these various provisions as well as the expiration timeline dictated by law or agency guidance; the table also includes current end dates, which are subject to change as federal and state officials take actions to renew or terminate particular authorities.