; (B) a State prekindergarten program; or (C) a group of entities described in subparagraph (A) or (B). (3) Head Start agency The term Head Start agency means a Head Start agency, including an Early Head Start agency, designated under section 641 of the Head Start Act ( 42 U.S.C. 9836 ). (4) Lead agency The term lead agency means a lead agency under the Child Care and Development Block Grant Act of 1990 ( 42 U.S.C. 9858 ). (5) Low-income child The term low-income child means an eligible child as defined in section 658P of the Child Care and Development Block Grant Act of 1990 ( 42 U.S.C. 9858n ). (6) Qualifying emergency The term qualifying emergency means— (A) a public health emergency declared by the Secretary of Health and Human Services pursuant to section 319 of the Public Health Service Act ( 42 U.S.C. 247d ); (B) an emergency for which a Governor of a State or territory has declared a state of emergency; (C) an event for which the President declared a major disaster or an emergency under section 401 or 501, respectively, of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5170 and 5191)