office location for the agency and published the policies and procedures required pursuant to subsection (a). (c) Definitions In this section: (1) Agency The term agency has the meaning given that term in section 551 of title 5, United States Code. (2) Covered period The term covered period means a period during which a nationwide declaration of a public health emergency by the Secretary of Health and Human Services under section 319 of the Public Health Service Act ( 42 U.S.C. 247d ) is in effect.