(a) Every agreement between the Secretary and any State agency under
the authority referred to in Sec. 500.155 of this part shall be in
writing.
(b) Any delegation to a State agency by the Secretary under such
authority shall be made pursuant to approval of a written State plan
submitted in accordance with Sec. 500.159 which shall: (1) Include a
description of each function to be performed, the method of performing
each such function, and the resources to be devoted to the performance
of each such function, (2) provide assurances satisfactory to the
Secretary that the State agency will comply with its description under
paragraph (b)(1) of this section and that the State agency's performance
of the delegated functions will be at least comparable to the
performance of such functions by the Department of Labor; and (3)
contain a certification of the Attorney General of such State, or, if
the Attorney General is not authorized to make such a statement, the
State official who is so authorized, that an agreement pursuant to such
State plan is valid under the laws of that State.