This part prescribes regulations based on section 646 of the Head Start Act, 42 U.S.C. 9841, as it applies to grantees and current or prospective delegate agencies engaged in or wanting to engage in the operation of Head Start programs under the Act. It prescribes the procedures for appeals by current and prospective delegate agencies from specified actions or inaction by grantees. It also provides procedures for reasonable notice and opportunity to show cause in cases of suspension of financial assistance by the responsible HHS official and for an appeal to the Departmental Appeals Board by grantees in cases of denial of refunding, termination of financial assistance, and suspension of financial assistance.