Except as otherwise provided in this paragraph, Head Start Fellows shall not be considered to be employees or otherwise in the service or employment of the Federal Government. Head Start Fellows shall be considered to be employees for purposes of compensation for injuries under chapter
81 of title
5. Head Start Fellows assigned to positions located in agencies specified in paragraph (3)(A)(i) shall be considered employees in the executive branch of the Federal Government for the purposes of chapter
11 of title
18 and for purposes of any administrative standards of conduct applicable to the employees of the agency to which they are assigned.