For purposes of this subsection (i), an individual is financially disabled if that individual is unable to manage his or her financial affairs by reason of a medically determinable physical or mental impairment of the individual that can be expected to result in death, or which has lasted or can be expected to last for a continuous period of not less than 12 months.
An individual shall not be treated as financially disabled during any period when that individual's spouse or any other person is authorized to act on behalf of that individual with respect to financial matters.
35 ILCS 5/911