Indiana Postnuptial Agreement Overview
Indiana recognizes postnuptial agreements under general contract law principles and the fiduciary duty framework between married spouses. Indiana Code Section 31-11-3 provides the statutory basis for marital agreements, and Indiana courts have upheld postnuptial agreements as valid contracts between spouses when properly executed.
Indiana follows a unique approach to property division in which all property, regardless of when or how acquired, is subject to division in divorce under IC 31-15-7-4. Indiana starts with a presumption of equal division of the marital estate, making postnuptial agreements particularly valuable for couples who want to deviate from this presumption.
Indiana courts apply the fiduciary duty standard to postnuptial agreements. The agreement must be voluntary, supported by full disclosure, and not unconscionable. Indiana's presumption of equal division makes postnups an important planning tool, as they allow couples to protect specific assets from the default 50/50 starting point.
Yes
Postnup recognized
Recommended
Independent counsel
Recommended
Notarization required
Yes
Full disclosure required
Indiana Postnuptial Agreement Legal Requirements
Indiana postnuptial agreements must be in writing, voluntary, and supported by full disclosure under the fiduciary duty standard.
Important: Indiana Execution Requirements
Indiana presumes equal division of the marital estate in divorce. A postnuptial agreement can deviate from this presumption, but courts scrutinize such agreements for fairness. Full financial disclosure and independent counsel for both spouses are strongly recommended.
Formal Requirements
- Written Agreement: Indiana requires the postnuptial agreement to be in writing — oral agreements between spouses are not enforceable
- Both Spouses Must Sign: The agreement must be signed by both spouses to be valid under Indiana law
- Voluntary Execution: Both spouses must sign voluntarily without duress, coercion, or undue influence
- Full Financial Disclosure: Both spouses must provide complete and accurate disclosure of all assets, debts, income, and financial obligations
- Not Unconscionable: The agreement must not be so one-sided as to be unconscionable under Indiana law
What Can Be Addressed
- Rights and obligations in property owned by either or both spouses
- Disposition of property upon separation, divorce, or death
- Spousal support (alimony) terms, modifications, or waivers
- Life insurance, estate planning, and inheritance provisions
- Debt allocation and responsibility for financial obligations
- Any other matter not in violation of Indiana public policy or criminal law
Indiana Postnup Enforceability Rules
Indiana courts enforce postnuptial agreements under the fiduciary duty framework. The agreement must be voluntary, supported by full disclosure, fair, and not the product of overreach or undue influence. Indiana's equal division presumption means postnups that deviate significantly from 50/50 face closer scrutiny.
Spousal Support Waiver
Permitted — Indiana courts enforce spousal maintenance provisions, though Indiana generally limits maintenance to specific circumstances under IC 31-15-7-2
Consideration Requirement
Indiana does not require separate consideration beyond mutual promises
Unconscionability Standard
Evaluated at execution, with courts considering whether the deviation from equal division is reasonable and supported by fair dealing
Indiana Postnuptial Agreement Costs
The cost of creating a postnuptial agreement in Indiana depends on the complexity of your financial situation and whether you hire attorneys. Here is a breakdown of typical costs:
| Fee / Cost | Amount |
|---|---|
| Attorney Fees (per spouse) | $1,500 - $5,000 |
| Notarization Fee | $5 - $15 |
| Court Filing Fee | N/A (not filed with court) |
| Online Template Service | $0 - $500 |
| Financial Advisor Consultation | $200 - $500 per hour |
| Business Valuation (if needed) | $3,000 - $15,000+ |
Sample Indiana Postnuptial Agreement
Below is a preview of our Indiana-specific postnuptial agreement template. Your customized document will include all provisions required for enforceability under Indiana law.
STATE OF INDIANA
POSTNUPTIAL AGREEMENT
Marital Agreement Under Indiana Law
SPOUSE 1:
Name: [Full Legal Name]
Address: [Indiana Address]
Attorney: [Attorney Name]
SPOUSE 2:
Name: [Full Legal Name]
Address: [Indiana Address]
Attorney: [Attorney Name]
AGREEMENT TERMS
Date of Marriage: [Date]
Separate Property Schedules: [Attached as Exhibits A & B]
Spousal Support Terms: [As Defined in Article III]
Governing Law: State of Indiana
Indiana Postnuptial Agreement FAQ
Answers to common questions about postnuptial agreements in Indiana, including enforceability, legal requirements, and state-specific rules.
Official Indiana Resources
Use these official resources for additional information about Indiana family law, postnuptial agreement requirements, and finding a qualified attorney.
Indiana State Bar Association
Find a family law attorney and legal resources
Indiana Code Title 31 — Family Law and Juvenile Law
Official state statutes governing family law
American Academy of Matrimonial Lawyers
Find a certified family law specialist in Indiana
ABA Section of Family Law
American Bar Association family law resources
Related Indiana Documents
Depending on your situation, you may need additional family law documents to complement your Indiana postnuptial agreement.
Indiana Prenuptial Agreement
Financial agreement for couples planning to marry
Indiana Separation Agreement
Divide assets and debts during legal separation
Indiana Divorce Forms
State-specific divorce petition and filing documents
Indiana Estate Planning
Wills, trusts, and estate documents to coordinate with your postnup
Create Your Indiana Postnuptial Agreement
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