A trust director is subject to the same rules as a trustee in a like position and under similar circumstances in the exercise or nonexercise of a power of direction or further power under subdivision (b) of Section 16608 regarding either of the following:
(a) A payback provision in the terms of a trust necessary to comply with the reimbursement requirements of Medicaid law in Section 1917 of the Social Security Act (42 U.S.C. Section 1396p(d)(4)(A)) and regulations issued thereunder.
(b) A charitable interest in the trust, including notice regarding the interest to the Attorney General.