HB 1941 -- Income Tax Deduction for Social Security Benefits for the Elderly Sponsor: Flook This bill authorizes a deduction for federal Social Security benefits from Missouri taxable income for married taxpayers who are 65 years of age or older with an annual combined income of less than $40,000 or a single taxpayer who is 65 years of age or older with an annual income of less than $20,000 if the Social Security benefits are included in the taxpayer's federal adjusted gross income.Copyright (c) Missouri House of Representatives