Final accounts shall also disclose the state of the property of the trust estate as to unpaid or delinquent taxes and such taxes shall be paid by the trustee to the extent that the funds in the trust permit, over and beyond the cost and expenses of the trust administration, except where a special showing is made by the trustee that it is in the best interests of the trust and is lawful for the unpaid or delinquent taxes not to be paid.
Minn. Gen. R. Prac. 417.03