Section 524.2-1113 - DISCLAIMER OF POWER HELD IN FIDUCIARY CAPACITY(a) If a fiduciary disclaims a power held in a fiduciary capacity which has not been exercised, the disclaimer takes effect as of the time the instrument creating the power becomes irrevocable.(b) If a fiduciary disclaims a power held in a fiduciary capacity which has been exercised, the disclaimer takes effect immediately after the last exercise of the power.(c) A disclaimer under this section is effective as to another fiduciary if:(1) the disclaimer so provides; and(2) the fiduciary disclaiming has the authority to bind the estate, trust, or other person for whom the fiduciary is acting.