Filing for divorce does not change your taxes. Being divorced on December 31 does. The IRS looks at your marital status on the last day of the year to set your filing status for that entire year. If your Missouri divorce is still pending on December 31, 2026, you are still married for tax purposes and file either jointly or as married filing separately. Once the judgment is entered, you file as single or, if you qualify, head of household.
That single date drives most of what follows.
How Does Divorce Change Your Tax Filing Status?
Your status for the whole year depends on where you stand at year-end:
- Divorce final on or before December 31 means you file as single or head of household for that year
- Divorce still pending on December 31 means you file as married filing jointly or married filing separately
- A Missouri legal separation judgment can also change your status, since the IRS treats a decree of separate maintenance differently from an informal separation
Head of household is usually the better outcome for a parent, since it brings a larger standard deduction and wider brackets than single. Qualifying generally requires paying more than half the cost of keeping up a home and having a qualifying child live with you more than half the year.
Missouri returns generally follow your federal filing status, so the federal decision carries through to your state return.
Who Claims the Children After a Divorce?
Only one parent claims a given child in a given year. By default, that is the custodial parent, which the IRS defines as the parent the child lived with for the greater number of nights during the year. That is a factual count, not a label from your judgment.
The custodial parent can release the claim using IRS Form 8332. This matters more than most parents expect:
- Form 8332 transfers the child tax credit and the additional child tax credit to the other parent
- Form 8332 does not transfer head of household status, the child and dependent care credit, or the earned income credit. Those stay with the custodial parent regardless of what your decree says
One trap worth flagging: according to the IRS, a divorce decree executed after December 31, 2008 is no longer accepted as proof of the right to claim a child. A noncustodial parent must file Form 8332 or a substantially similar statement with the return. A decree saying you get the deduction is not enough on its own, so get the signed form each year.
Missouri adds a related provision. Under Section 452.340.6, a court shall consider ordering a parent to waive the right to claim the tax dependency exemption for a child enrolled in vocational or higher education when tax and financial aid consequences make that appropriate.
Is Spousal Maintenance Taxable in Missouri?
For any divorce or separation instrument executed after December 31, 2018, no. The Tax Cuts and Jobs Act repealed the old rules, so maintenance is not deductible by the paying spouse and not income to the receiving spouse. That change has no scheduled expiration, so it governs every 2026 Missouri divorce.
Two consequences follow:
- Maintenance is negotiated in after-tax dollars. A payment figure borrowed from a pre-2019 case overstates what a payer can actually carry.
- Older orders keep the old treatment. An instrument executed on or before December 31, 2018 remains deductible and taxable unless the parties modify it and expressly adopt the current rules.
Child support has never been taxable or deductible, regardless of when the order was entered.
What About Dividing Property and Retirement Accounts?
Transfers between spouses incident to divorce are generally not taxable events under Internal Revenue Code Section 1041. No gain or loss is recognized at the time of transfer.
The catch is basis. The receiving spouse takes the transferring spouse’s cost basis, so a future sale can carry a capital gains bill the recipient did not expect. Two accounts of equal face value can be worth very different amounts after tax.
Retirement accounts need their own handling:
- Employer plans like a 401(k) or pension are divided using a Qualified Domestic Relations Order, which lets funds transfer without triggering early withdrawal penalties
- IRAs are divided under different rules and do not use a QDRO
This is where a property division analysis that accounts for tax basis matters more than a simple split down the middle.
What Are the Risks of Filing a Joint Return While Divorcing?
A joint return creates joint and several liability. Both spouses remain responsible to the IRS for the full amount owed, including any later audit adjustment.
Your Missouri judgment can assign an old tax debt to one spouse, and that allocation binds your ex to you. It does not bind the IRS, which can still pursue either name on the return. Relief may be available through the innocent spouse rules on IRS Form 8857, but it is not automatic.
If you have concerns about your spouse’s reporting, discuss married filing separately with a tax professional before signing anything.
FAQ
Can I file as single if my divorce isn’t final yet?
No. If you are still married on December 31, your options are married filing jointly or married filing separately. Some separated parents may qualify as head of household under specific IRS rules.
Who claims the child if we split time 50/50?
The IRS counts nights. The parent with more overnights is the custodial parent, and tiebreaker rules apply when nights are exactly equal.
Is my divorce attorney’s fee deductible?
Personal legal fees for divorce are generally not deductible. Ask a tax professional about any portion tied to taxable income or business interests.
Does Missouri tax spousal maintenance?
Missouri returns generally follow federal treatment, so maintenance under a post-2018 order is not reported as income by the recipient.
Planning Your Divorce With Taxes in Mind
Tax treatment shapes what a settlement is actually worth. Two proposals that look equal on paper often are not once basis, credits, and filing status are counted.
Raza Family Law Solutions is a law firm, not a tax advisor, so we work alongside your CPA on these questions and build the tax consequences into how a divorce settlement is structured. Schedule a consultation to review your situation.