Mississippi House Bill 1662 took effect July 1, 2026, creating a rebuttable presumption that equal 50-50 parenting time serves a child's best interest and replacing the decades-old Albright factor test for new custody filings. The law also swaps Mississippi's percentage-of-income child support formula for an income-shares model, with a family-violence exception that reverses the presumption when abuse is documented.
This is the most significant rewrite of Mississippi family law in a generation. For any parent filing for divorce or custody after July 1, 2026, the starting point is no longer a judge weighing twelve subjective factors — it is a legal assumption that both parents share time equally unless one side proves otherwise. According to Mississippi Today, the bill cleared both chambers before heading to the governor in spring 2026.
Key Facts
| Item | Detail |
|---|---|
| What happened | HB 1662 creates a rebuttable 50-50 joint custody presumption and adopts an income-shares child support model |
| When | Effective July 1, 2026 (applies to new filings) |
| Where | Statewide — all Mississippi chancery courts |
| Who's affected | Parents filing for divorce, custody, or modification after July 1, 2026 |
| Key standard replaced | The Albright factors (Albright v. Albright, 1983) for initial custody determinations |
| Impact | Shifts the burden of proof; changes support calculations by comparing both parents' incomes |
Why this matters legally
HB 1662 flips the burden of proof in Mississippi custody cases. Before July 1, 2026, a chancery judge started from a blank slate and applied the Albright factors — the twelve-part best-interest test Mississippi courts have used since 1983 — to decide where children live and how time is split. Under the new law, the court starts from the assumption that equal 50-50 parenting time is best, and the parent who wants a different arrangement must present evidence to overcome that presumption.
This is a rebuttable presumption, not an absolute rule. A judge can still order unequal time when the evidence shows a 50-50 split would not serve the child — for example, where distance between homes, work schedules, a child's special needs, or safety concerns make equal time impractical. But the default has moved, and that shift changes negotiating leverage for every parent entering a Mississippi custody case after the effective date.
The income-shares change is equally consequential. Mississippi previously calculated child support as a flat percentage of the paying parent's adjusted gross income — 14% for one child, 20% for two, and rising from there under Miss. Code Ann. § 43-19-101. The income-shares model instead combines both parents' incomes, estimates what the household would have spent on the children if intact, and divides that obligation proportionally. Learn more about how child custody arrangements interact with support when parenting time is shared.
How Mississippi law handles this
Mississippi child support has historically run through Miss. Code Ann. § 43-19-101, which set guideline percentages tied only to the non-custodial parent's income. HB 1662 restructures that calculation. Under an income-shares model, both parents' earnings feed the formula, and the amount of overnight time each parent has directly affects the final support figure — the more equal the parenting time, the more the support obligation typically compresses toward the higher earner covering the gap.
Custody itself is governed by Mississippi's chancery courts, which for over 40 years applied the Albright standard from Albright v. Albright, 437 So. 2d 1003 (Miss. 1983). That case identified factors including the age and health of the child, each parent's continuity of care, parenting skills, employment responsibilities, physical and mental health, moral fitness, home stability, and the child's preference. HB 1662 does not erase these considerations — a judge still evaluates them when a parent tries to rebut the 50-50 presumption — but they no longer form the neutral starting point. Understanding parenting plans becomes essential, because a workable equal-time schedule is now the arrangement courts expect parents to attempt first.
The family-violence exception is the law's critical guardrail. Where domestic abuse or family violence is documented, the presumption flips: equal parenting time is no longer assumed to serve the child, and the court weighs safety accordingly. Mississippi's domestic violence provisions and protective-order framework continue to operate alongside HB 1662, and any parent with safety concerns should raise documented evidence early in the case.
Practical takeaways
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File timing matters. HB 1662 applies to new filings on or after July 1, 2026. If your case was already pending under the Albright standard, confirm with a Mississippi attorney which framework governs your specific proceeding.
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Prepare a realistic 50-50 schedule. Because equal time is now the starting assumption, come to the table with a concrete equal-parenting proposal — school logistics, exchange locations, holiday rotation. Use our parenting time calculator to model overnight splits before you negotiate.
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Recalculate support under the new model. If you assumed the old flat-percentage numbers, they may no longer apply. Estimate your obligation with our child support calculator, then verify with counsel, since income-shares math is more complex than the prior formula.
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Document safety concerns immediately. The family-violence exception only helps if abuse is documented. Preserve police reports, protective orders, medical records, and messages, and disclose them to your attorney at the outset.
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Gather full income records for both households. Income-shares calculations require both parents' earnings, so collect pay stubs, tax returns, and proof of other income for you and your co-parent early.
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Build your next steps in writing. A structured plan reduces courtroom surprises. Start with a personalized divorce roadmap to organize your custody and support strategy.
If you are filing for divorce or custody in Mississippi after July 1, 2026, the ground rules have changed in ways that affect both where your children live and what you pay or receive in support. A knowledgeable local attorney can tell you how these new presumptions apply to your facts — you can find a divorce attorney serving your county through our directory.
This article discusses recent news and provides general legal commentary. It does not constitute legal advice. Every case is unique. Consult a qualified family law attorney for advice specific to your situation.