Whenever payments have been made by an insurer with respect to allowable expenses in a total amount, at any time, in excess of the maximum amount of payment required by its contract requirements, insurer or service plan shall have the right to recover such excess payments from among one or more of the following, as the insurer or service plan shall determine: any person to, or for, or with respect to whom such payments were made, any other insurers or service plans, or any other organizations.
044-10 Wyo. Code R. § 10-7