Wisconsin Statutes Uniform Power of Attorney (Ch. 244) § 244.09. When a power of attorney is effective

(1) A power of attorney is effective when executed unless the principal provides in the power of attorney that it becomes effective at a future date or upon the occurrence of a future event or contingency.

(2) If a power of attorney becomes effective upon the occurrence of a future event or contingency, the principal, in the power of attorney, may authorize one or more persons to determine that the event or contingency has occurred.

(3) If a power of attorney becomes effective upon the principal's incapacity and the principal has not authorized a person to determine whether the principal is incapacitated, or the person so authorized is unable or unwilling to make the determination, the power of attorney becomes effective upon a determination in a writing or other record by one of the following: