Minn. Stat. § 523.09: TERMINATION OF A NONDURABLE POWER OF ATTORNEY.

A nondurable power of attorney terminates on the death of the principal, the incapacity or incompetence of the principal, the expiration of a date of termination specified in the power of attorney, or, in the case of a power of attorney to the spouse of the principal, upon the commencement of proceedings for dissolution, separation, or annulment of the principal's marriage.