Disability payments other than disability payments that are paid from a retirement plan, the payments from which are exempt under sub. (1) (am) and (an), if the individual either is single or is married and files a joint return and is under 65 years of age before the close of the taxable year to which the subtraction relates, retired on disability, and, when the individual retired, was permanently and totally disabled. In this subdivision, “permanently and totally disabled” means an individual who is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment 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 considered permanently and totally disabled for purposes of this subdivision unless proof is furnished in such form and manner, and at such times, as prescribed by the department. The exclusion under this subdivision shall be determined as follows: a.
(a)#
If the individual is single and the individual’s federal adjusted gross income in the year to which the subtraction relates is less than $20,200, the maximum subtraction is $100 for each week that payments are received or the amount of disability pay reported as income, whichever is less.
(b)#
If the individual is married and filing a joint return and the couple’s federal adjusted gross income in the year to which the subtraction relates is less than $20,200, or $25,400 if both spouses are disabled, the maximum subtraction is $100 for each week that payments are received, per spouse if both spouses are disabled, or the amount of disability pay reported as income, whichever is less.
(c)#
If the federal adjusted gross income of the individual, or individuals if filing a joint return, for the taxable year, determined without regard to this subdivision, exceeds $15,000, the amount subtracted under this subdivision for the taxable year shall be reduced by an amount equal to the excess of the federal adjusted gross income over $15,000.