Mont. Code Ann. § 72-5-431

In investing the estate and in selecting assets of the estate for distribution under 72-5-428 and in utilizing powers of revocation or withdrawal available for the support of the protected person and exercisable by the conservator or the court, the conservator and the court shall take into account any known estate plan of the protected person, including the protected person's will, any revocable trust of which the protected person is settlor, and any contract, transfer, or joint ownership arrangement with provisions for payment or transfer of benefits or interests at the protected person's death to another or others that the protected person may have originated. The conservator may examine the will of the protected person.