How Divorce or Separation Affects Your Will in South Dakota

Current as of: October 22, 2026 Wills & Last Testaments South Dakota
A final South Dakota divorce decree automatically revokes all will gifts to an ex-spouse, but a 60-day pending divorce or separation does not. Under S.D. Codified Laws § 29A-2-804, estranged spouses remain legal heirs until a judge signs the final decree of dissolution.

Filing for divorce or moving into separate residences in Sioux Falls, Rapid City, or Watertown turns your financial life upside down, yet many spouses overlook their estate plan until the family court process is over. If an unexpected medical emergency or fatal accident occurs while a divorce is pending or during a period of legal separation, outdated estate documents can hand 100% of your property and medical decision-making authority to the very spouse you are divorcing.

Knowing how divorce or separation affects your will in South Dakota allows you to close dangerous statutory loopholes, comply with family court restraining orders, and ensure your children or chosen relatives inherit your estate.

South Dakota's Auto-Revocation Rules Upon a Finalized Divorce

Once a Circuit Court judge signs a final Judgment and Decree of Divorce or annulment, South Dakota law automatically steps in to strip your former spouse-and your former spouse's relatives who are not related to you by blood or adoption-from your estate plan. Under S.D. Codified Laws § 29A-2-804, a finalized divorce automatically triggers four major legal changes unless the will, divorce decree, or marital settlement agreement expressly states otherwise:

  • Will Bequests and Revocable Trusts: Any disposition or appointment of property made by a will or revocable trust to your former spouse or their relatives (such as stepchildren or former in-laws) is revoked by operation of law.
  • Fiduciary Nominations: Any provision nominating your ex-spouse or their relatives to serve as personal representative (executor), trustee, conservator, agent, or guardian is automatically revoked.
  • Life Insurance and Retirement Accounts: Revocable beneficiary designations naming a former spouse on non-ERISA life insurance policies, annuities, individual retirement accounts (IRAs), and payable-on-death bank accounts are automatically revoked.
  • Joint Tenancy Property: Divorce severs the right of survivorship in real estate or bank accounts held in joint tenancy with your ex-spouse, transforming the ownership into an equal tenancy in common.

Under S.D. Codified Laws § 29A-2-804, all revoked provisions are given effect as if the former spouse and the former spouse's relatives had disclaimed the property or died immediately before the divorce. The South Dakota Supreme Court reinforced the broad reach of this statute in Buchholz v. Storsve, 740 N.W.2d 107 (SD Supreme Court 2007), holding that when a participant in the South Dakota Retirement System, Pierre died without removing his ex-wife as primary beneficiary after their divorce, S.D. Codified Laws § 29A-2-804 constitutionally revoked her designation and awarded the retirement death benefits to the decedent's contingent beneficiaries.

The Dangerous Grey Area During Legal Separation or Pending Divorce

While a final divorce decree provides sweeping automatic protection, a massive legal trap exists for couples who are physically separated, going through a pending divorce, or living under a decree of separate maintenance. Under both S.D. Codified Laws § 29A-2-802 and S.D. Codified Laws § 29A-2-804, a decree of separation that does not terminate the legal status of husband and wife is NOT a divorce. Consequently, if you die one day before the judge signs your final divorce decree, your estranged spouse remains your legal surviving spouse.

Marital Status at DeathEffect on Existing Will Gifts to SpouseSpouse's Elective Share & Intestate RightsGoverning Statute
Informally Separated / Living Apart100% Valid (Spouse inherits everything in will)Full spousal elective share (up to 50%) and intestacy rights applyS.D. Codified Laws § 29A-2-802
Divorce Pending (60-Day Waiting Period)100% Valid unless you sign a new willFull spousal elective share (up to 50%) still applies until final decreeS.D. Codified Laws § 25-4-34
Decree of Separate Maintenance100% Valid unless modified by new will or orderRemains a surviving spouse unless marriage is formally dissolvedS.D. Codified Laws § 29A-2-802
Final Judgment and Decree of DivorceAutomatically Revoked (treated as predeceased)0% (Not a surviving spouse unless remarried to decedent)S.D. Codified Laws § 29A-2-804

Compounding this risk is South Dakota's Automatic Temporary Restraining Order (ATRO). Under S.D. Codified Laws § 25-4-33.1, the moment a divorce or separate maintenance summons-such as Form UJS-309, South Dakota, Unified Judicial System, Summons for Divorce without Minor Children or Form UJS-311, South Dakota, Unified Judicial System, Summons for Divorce with Minor Children-is filed and served, both spouses are legally restrained from transferring, encumbering, concealing, or disposing of any marital assets or changing insurance coverage without written consent of the other spouse or a court order.

In In re Estate of Hoffman, 653 N.W.2d 94 (SD Supreme Court 2002), a terminally ill wife in a pending divorce conveyed joint tenancy marital property to a third-party strawman and back to herself as a tenant in common to prevent her estranged husband from taking 100% by survivorship. The South Dakota Supreme Court held that using a strawman exposed the marital property to potential liens and encumbrances in violation of S.D. Codified Laws § 25-4-33.1, invalidating her lifetime property transfers. However, executing a new Last Will and Testament does not transfer property during life and does not violate the statutory restraining order.

Step-by-Step Process to Update Your Will During Marital Changes

Whether your domestic relations case is filed in the Minnehaha County Circuit Court, Sioux Falls, the Pennington County Circuit Court, Rapid City, or the Codington County Circuit Court, Watertown, take the following steps to protect your estate.

Step 1: Execute a New Will Immediately Upon Separation

Do not wait for your divorce to finalize. Under S.D. Codified Laws § 29A-2-507, you can revoke your prior will at any time by executing a subsequent will that expressly revokes all prior wills and codicils. While a separated spouse can still claim a statutory elective share under S.D. Codified Laws § 29A-2-202 if you pass away before the divorce decree is signed, a new will prevents them from taking 100% of your estate and strips them of authority to serve as your personal representative.

Step 2: Update Alternate Beneficiaries and Fiduciaries

Relying solely on automatic revocation after divorce often leaves huge gaps in an estate plan. If your old will named your ex-spouse's brother as backup executor or left part of your estate to stepchildren you still wish to benefit, S.D. Codified Laws § 29A-2-804 will wipe out those provisions automatically upon divorce. Name new primary and contingent beneficiaries, appoint a trusted sibling or adult child as personal representative, and establish a testamentary trust to manage any inheritance left to minor children so your ex-spouse does not control those funds as surviving parent and conservator.

Step 3: Revoke Financial and Medical Powers of Attorney

While a divorce is pending, an old Durable Power of Attorney or Health Care Directive naming your spouse remains active until revoked. Sign written revocations of your prior powers of attorney and execute new directives naming a trusted blood relative or friend to make medical and financial decisions if you become incapacitated.

Step 4: Address Beneficiary Waivers in Your Divorce Settlement

When negotiating your marital property division-whether through attorney-drafted agreements or Form UJS-324, South Dakota, Unified Judicial System, Stipulation and Settlement Agreement without Minor Children-include explicit mutual waivers of all inheritance rights, elective share rights, and retirement/life insurance death benefits. Once the final divorce decree is entered, promptly submit new beneficiary forms to your 401(k) administrator, as federal ERISA-governed employer plans can preempt state automatic revocation statutes unless updated directly with the plan administrator.

How Much Does It Cost in South Dakota?

Updating your estate documents during or after a divorce involves predictable legal and court costs across South Dakota:

  • New Will and Powers of Attorney Package: Hiring a South Dakota estate planning attorney to draft a new Last Will and Testament, financial power of attorney, and health care directive costs between $400 and $1,200 (or $1,800 to $3,500 if establishing a revocable trust for minor children).
  • Divorce Filing Fees: Filing a divorce or separate maintenance action with a Clerk of Courts-such as at the Minnehaha County Circuit Court, Sioux Falls (425 N. Dakota Avenue, Sioux Falls, SD 57104; phone: 605-367-5900) or the Pennington County Circuit Court, Rapid City (315 St. Joseph Street, Rapid City, SD 57701; phone: 605-394-2570)-requires a $97 total filing fee.
  • Probate Court Filing Fee: Probating an estate in any South Dakota Circuit Court costs $122 under S.D. Codified Laws § 16-2-29 and related court surcharges.

How Long Does the Process Take?

In South Dakota, S.D. Codified Laws § 25-4-34 imposes a mandatory 60-day waiting period from the date the summons and complaint for divorce or separate maintenance are served on the defendant before a court can grant a final decree (not counting the day of service), and contested divorces frequently take 6 to 14 months to resolve. By contrast, drafting and executing a new self-proved will using Form SDCL 29A-2-504, South Dakota, Legislature, Self-Proved Will Acknowledgment and Affidavit takes only 1 to 2 weeks, providing immediate protection during the months your divorce is pending.

Navigating the intersection of family court restraining orders and probate law requires careful legal coordination. You can search our directory of South Dakota estate planning and family law attorneys to find an experienced lawyer in your city to update your estate plan safely.

Frequently Asked Questions (FAQ)

Does filing for divorce in South Dakota automatically revoke my spouse from my will?

No. Under S.D. Codified Laws § 29A-2-804, automatic revocation only occurs when a final decree of divorce or annulment is entered by the court. While a divorce is pending, your existing will remains 100% valid unless you execute a new will.

Can I write a new will while my South Dakota divorce is pending without violating the temporary restraining order?

Yes. The automatic temporary restraining order under S.D. Codified Laws § 25-4-33.1 prohibits transferring or encumbering marital assets during your lifetime and changing insurance policies, but it does not prohibit you from executing a new Last Will and Testament to govern your share of property at death.

What happens to gifts to my stepchildren in my will after a South Dakota divorce?

Under S.D. Codified Laws § 29A-2-804, a final divorce automatically revokes gifts and fiduciary appointments made to any relative of your former spouse who is not related to you by blood or adoption, including stepchildren. If you still want a former stepchild to inherit, you must re-execute your will after the divorce or include an express provision stating the bequest survives divorce.

How does legal separation (separate maintenance) affect inheritance in South Dakota?

Under S.D. Codified Laws § 29A-2-802, a decree of separate maintenance that does not terminate the marriage does not strip a spouse of surviving spouse status, meaning they can still inherit under an existing will or claim a statutory elective share unless they signed a valid written waiver.

What happens if I remarry my ex-spouse after our divorce?

Under S.D. Codified Laws § 29A-2-804, provisions in a governing instrument that were revoked solely by your divorce are automatically revived if you remarry the same former spouse, unless you revoked the will by another act or executed a new will in the interim.


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