A. The personal representative of a deceased trustee, or the remaining trustee or trustees if there were more than one trustee and one or more but less than all of them have died, resigned, become incapable of executing the trust on account of physical or mental disability or confinement in prison, become ineligible to continue to serve as trustee because of no longer being a resident of the Commonwealth where residency is statutorily required, or otherwise become ineligible to continue serving as trustee, shall execute the trust, or so much of the trust as remained unexecuted at the time such lack of capacity to execute the trust or such ineligibility came into being until an appointment is made pursuant to this part, unless the instrument creating the trust directs otherwise or some other trustee is appointed for the purpose by a circuit court having jurisdiction of the case. In the case of removal of the trust management function by a corporate trustee, the corporate trustee shall continue to execute the trust until such time as an appointment is made pursuant to this part.