The Missouri Application of Surviving Spouse For Exempt Property Allowance is an application process for surviving spouses in the state of Missouri. This application allows surviving spouses to claim an exemption from the estate tax on their property. The exemption applies only to the first $20,000 of the estate and is only available to those who are married at the time of death. There are two types of Missouri Application of Surviving Spouse For Exempt Property Allowance: the standard application and the special application. The standard application is filed by the surviving spouse and must include a copy of the deed or will, a copy of the death certificate, and a list of all assets owned by the deceased. The special application is for surviving spouses who have been married for at least five years, have a combined gross income of less than $20,000, and have no dependents. In this case, the surviving spouse must provide proof of marriage, documentation of their income, and a list of all assets owned by the deceased.