See the information below from Missouri Department of Revenue. Sounds like there may be a dependency credit for the state return. If you use TurboTax to prepare your return, this credit will be automatically computed if you enter all information. What type of notice was received? Are you required to enter something from the notice that would generate the credit?
Use this link for MDOR
143.161. Missouri dependency exemptions. — 1. For all taxable years beginning after December 31, 1997, a resident may deduct one thousand two hundred dollars for each dependent for whom such resident is entitled to a dependency exemption deduction for federal income tax purposes, provided that the exemption amount as defined under 26 U.S.C. Section 151 is not zero. In the case of a dependent who has attained sixty-five years of age on or before the last day of the taxable year, if such dependent resides in the taxpayer's home or the dependent's own home or if such dependent does not receive Medicaid or state funding while residing in a facility licensed pursuant to chapter 198, the taxpayer may deduct an additional one thousand dollars.
2. For all taxable years beginning on or after January 1, 1999, a resident who qualifies as an unmarried head of household or as a surviving spouse for federal income tax purposes may deduct an additional one thousand four hundred dollars.
3. For all taxable years beginning on or after January 1, 2015, for each birth for which a certificate of birth resulting in stillbirth has been issued under section 193.165, a taxpayer may claim the exemption under subsection 1 of this section only in the taxable year in which the stillbirth occurred, if the child otherwise would have been a member of the taxpayer's household.
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