Michigan Compiled Laws, Chapter 556. Powers of Appointment § 556.206

Sec. 106. (1) A power of attorney executed in this state is valid in this state if, when the power was executed, the execution complied with the requirements for the execution of a power of attorney under the law of this state as it existed at that time.

(2) A power of attorney that is not executed in this state is valid in this state if, when the power was executed, the execution complied with either of the following:

(3) Except as otherwise provided in the power of attorney or by statute other than this act, a photocopy or electronically transmitted copy of an original power of attorney has the same effect as the original.