Synopsis As Introduced Amends the Illinois Income Tax Act. Provides that a taxpayer who employs a person with a developmental disability or a severe mental illness, as certified by the Department of Human Services, during the taxable year is entitled to an income tax credit in an amount equal to 25% of the wages paid by the taxpayer to the person with a developmental disability or severe mental illness, but not to exceed $6,000 in wages paid during the taxable year to any single qualified employee. Effective immediately.