For purposes of this article, “state officer or employee” means a Member of Congress representing the State of California; a Member of the Legislature; a secretary of a state agency and those members of the secretary’s staff who hold policymaking positions; those members of the Governor’s staff who hold policymaking positions; an administrative aide or committee consultant of the Legislature; the appointive or civil service employee of the highest class or grade in each department, system, program, section, or other administrative subdivision of the department and the California Department of Aging, as defined in regulations adopted by those departments; any other employee in the department and the California Department of Aging who has any responsibility for the negotiation and development, or management of Medi-Cal contracts of an adult day health care center certified under the provisions of this chapter. The director shall adopt regulations further delineating the class of employees covered by this section.