Wyo. Stat. Ann. § 34.1-8-506
(a) A securities intermediary shall exercise rights with respect to a financial asset if directed to do so by an entitlement holder. A securities intermediary satisfies the duty if:
(i) The securities intermediary acts with respect to the duty as agreed upon by the entitlement holder and the securities intermediary; or (ii) In the absence of agreement, the securities intermediary either places the entitlement holder in a position to exercise the rights directly or exercises due care in accordance with reasonable commercial standards to follow the direction of the entitlement holder.