Child Support Calculation Worksheet - Louisiana
Before filing: Use the current statutory Worksheet A for ordinary or split custody
calculations, or Worksheet B for shared custody, or a substantially similar form adopted
by local court rule. See La. R.S. 9:315.8(E)(5), 315.9(B), 315.10(B), and 315.20.
This fillable calculation sheet records the inputs and results for those forms.
CHILD SUPPORT CALCULATION WORKSHEET
State of Louisiana — Income Shares Model
Court: [________________________________]
Parish: [________________________________]
Case Number: [________________________________]
Judge/Hearing Officer: [________________________________]
TABLE OF CONTENTS
- Party and Children Information
- Gross Income Determination
- Adjusted Gross Income
- Combined Adjusted Gross Income and Pro Rata Shares
- Basic Child Support Obligation
- Additions to Basic Obligation
- Total Child Support Obligation
- Deviations from Guidelines
- Duration and Termination
- Louisiana-Specific Notes
1. PARTY AND CHILDREN INFORMATION
Petitioner (Parent A):
Name: [________________________________]
Address: [________________________________]
Employer: [________________________________]
Respondent (Parent B):
Name: [________________________________]
Address: [________________________________]
Employer: [________________________________]
Children Subject to This Order:
| # | Full Legal Name | Date of Birth | Age | Resides Primarily With |
|---|---|---|---|---|
| 1 | [________________] | [__/__/____] | [____] | ☐ Parent A ☐ Parent B |
| 2 | [________________] | [__/__/____] | [____] | ☐ Parent A ☐ Parent B |
| 3 | [________________] | [__/__/____] | [____] | ☐ Parent A ☐ Parent B |
| 4 | [________________] | [__/__/____] | [____] | ☐ Parent A ☐ Parent B |
Custody Arrangement:
☐ Sole custody — Parent A domiciliary
☐ Sole custody — Parent B domiciliary
☐ Joint custody — Parent A domiciliary
☐ Joint custody — Parent B domiciliary
☐ Shared custody (each parent has physical custody for an approximately equal amount of time)
☐ Split custody (each parent is domiciliary of at least one child)
2. GROSS INCOME DETERMINATION
| Income Source | Parent A (Monthly) | Parent B (Monthly) |
|---|---|---|
| Salary/Wages | $[________] | $[________] |
| Commissions/Bonuses | $[________] | $[________] |
| Self-Employment (net) | $[________] | $[________] |
| Rental Income | $[________] | $[________] |
| Dividends/Interest | $[________] | $[________] |
| Pension/Retirement | $[________] | $[________] |
| Social Security Benefits | $[________] | $[________] |
| Workers' Compensation | $[________] | $[________] |
| Unemployment Insurance | $[________] | $[________] |
| Spousal Support Received | $[________] | $[________] |
| Trust Income | $[________] | $[________] |
| Severance Pay | $[________] | $[________] |
| Other: [____________] | $[________] | $[________] |
| TOTAL MONTHLY GROSS INCOME | $[________] | $[________] |
☐ Income imputed to Parent A — Basis: [________________________________]
☐ Income imputed to Parent B — Basis: [________________________________]
3. ADJUSTED GROSS INCOME
| Deduction | Parent A (Monthly) | Parent B (Monthly) |
|---|---|---|
| Pre-existing child support owed under an order to a nonparty | $[________] | $[________] |
| Pre-existing spousal support owed under an order to a nonparty | $[________] | $[________] |
| Amount paid for another minor child, if allowed by court | $[________] | $[________] |
| TOTAL DEDUCTIONS | $[________] | $[________] |
| ADJUSTED GROSS INCOME | $[________] | $[________] |
4. COMBINED ADJUSTED GROSS INCOME AND PRO RATA SHARES
Combined Adjusted Gross Income: $[________] (Parent A AGI + Parent B AGI)
| Parent A | Parent B | |
|---|---|---|
| Adjusted Gross Income | $[________] | $[________] |
| Percentage Share of Combined Income | [____]% | [____]% |
5. BASIC CHILD SUPPORT OBLIGATION
Number of children subject to this order: [____]
Basic Child Support Obligation (from Schedule): $[________] per month
6. ADDITIONS TO BASIC OBLIGATION
| Additional Expense | Monthly Amount | Parent A Share | Parent B Share |
|---|---|---|---|
| Net work-related child care costs, after federal child care credit (La. R.S. 9:315.3) | $[________] | $[________] | $[________] |
| Child health insurance premium actually paid (La. R.S. 9:315.4) | $[________] | $[________] | $[________] |
| Extraordinary unreimbursed child medical expenses over $250 per child per calendar year, if agreed or ordered (La. R.S. 9:315.5) | $[________] | $[________] | $[________] |
| Other child expenses permitted by La. R.S. 9:315.6, if agreed or ordered | $[________] | $[________] | $[________] |
| TOTAL ADDITIONS | $[________] | $[________] | $[________] |
7. TOTAL CHILD SUPPORT OBLIGATION
Basic obligation plus applicable additions: $[________]. Less permitted child-income deduction under La. R.S. 9:315.7: ($[________]). Total child support obligation under La. R.S. 9:315.8(A)-(B): $[________].
| Calculation Component | Parent A | Parent B |
|---|---|---|
| Pro rata share of total obligation | $[________] | $[________] |
| Less: court-ordered direct payments under La. R.S. 9:315.8(D) | ($[________]) | ($[________]) |
| NET CHILD SUPPORT OWED | $[________] | $[________] |
For an ordinary Worksheet A calculation, the party without legal custody or the nondomiciliary party owes the money judgment under La. R.S. 9:315.8(D); enter $0 in the other parent's net-owed column.
Obligor (parent who pays): ☐ Parent A ☐ Parent B
Monthly child support payment amount: $[________]
Shared custody calculation, if applicable (La. R.S. 9:315.9)
Basic scheduled obligation × 1.5: $[________]. Parent A income share: [____]%; Parent B income share: [____]%. Actual time with Parent A: [____]%; actual time with Parent B: [____]%.
Total shared-custody expense adjustments (net child care, child health premium, agreed or ordered extraordinary expenses, less any permitted child-income deduction): $[________].
| Component | Parent A | Parent B |
|---|---|---|
| Theoretical share of 1.5 × basic obligation | $[________] | $[________] |
| Basic obligation after cross multiplication | $[________] | $[________] |
| Plus: proportionate share of expense adjustments | $[________] | $[________] |
| Less: ordered direct payments to a third party | ($[________]) | ($[________]) |
| Calculated obligation | $[________] | $[________] |
Greater obligation minus lesser obligation: $[________]. Parent paying difference: ☐ A ☐ B.
Check the cap in La. R.S. 9:315.9(A)(7) before entering the final amount.
Split custody calculation, if applicable (La. R.S. 9:315.10)
Complete a separate Worksheet A calculation for the child or children in each parent's custody. Parent A theoretical obligation: $[________]; Parent B theoretical obligation: $[________]. Difference: $[________], owed by ☐ A ☐ B.
8. DEVIATIONS FROM GUIDELINES
☐ No deviation requested
☐ Deviation requested — Basis:
☐ Extraordinary medical expenses of a party
☐ Extraordinary community debt of the parties
☐ Other facts making the guideline amount against the child's best interest or inequitable to the parties
☐ Other: [________________________________]
Requested adjustment: $[________] per month (☐ increase / ☐ decrease)
Justification: [________________________________]
9. DURATION AND TERMINATION
For the order being calculated, record whether the award is ☐ a separate amount per child ☐ an in-globo amount for two or more children. La. R.S. 9:315.22(A)-(B) sets different automatic termination rules for these orders.
An award continues automatically after majority or emancipation for an unmarried child under 19 who is a full-time student in good standing in secondary school or its equivalent and is dependent on either parent. Other statutory continuation or agreed support: [________________________________].
10. LOUISIANA-SPECIFIC NOTES
- Income Shares Model: Louisiana uses the Income Shares Model, which considers the combined income of both parents to determine the support obligation (La. R.S. 9:315 et seq.).
- Schedule Range: The current schedule ends at $50,000 in combined adjusted monthly income. Above that amount, the court applies La. R.S. 9:315.13(C), including its schedule-floor rule.
- Shared Custody Adjustment: Under La. R.S. 9:315.9, when each parent exercises approximately equal physical custody, the basic obligation is multiplied by 1.5, then each theoretical share is adjusted for time with the other parent, additions, and ordered direct payments.
- Split Custody: Under La. R.S. 9:315.10, where each parent has domiciliary custody of at least one child, separate calculations are performed and offset.
- Modification: A private modification generally requires a substantial and continuing material change. The 25% presumption and three-year review route in La. R.S. 9:311(C) apply only when DCFS is providing support enforcement services.
- Child care credit: The federal child and dependent care credit affects net child care costs under La. R.S. 9:315.3.
VERIFICATION
I certify that the information I provided in this worksheet is true, correct, and complete to the best of my knowledge. The income statements and supporting documentation required by La. R.S. 9:315.2(A) accompany any court submission.
Parent A:
Signature: [________________________________]
Printed Name: [________________________________]
Date: [__/__/____]
Parent B:
Signature: [________________________________]
Printed Name: [________________________________]
Date: [__/__/____]
SOURCES AND REFERENCES
About this template
- Last updated
- October 4, 2026
- Citations checked
- October 4, 2026
- Jurisdiction
- Louisiana
- Category
- Family Law
Legal authority
- La. R.S. 9:315 et seq.
- La. R.S. 9:315.2 (Calculation of basic child support obligation)
- La. R.S. 9:315.8 (Total child support obligation worksheet)
- La. R.S. 9:315.19 (Child Support Schedule)
- La. R.S. 9:315.20 (Obligation Worksheets A and B)
Family law covers the paperwork that shapes divorce, custody, child support, adoption, guardianship, and other family matters. These filings are emotional and high-stakes, and they also have to meet strict procedural rules for service, financial disclosure, and parenting plans. Clean, accurate paperwork keeps the focus on getting a workable outcome for the family instead of getting derailed by technical problems that delay hearings or force amended filings.
Not legal advice
This template is provided for informational purposes. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.
Checked against the law it cites
A reviewer verified this template's legal citations against the official source on October 4, 2026.
La. R.S. 9:311(A)(1), (C) (checked October 4, 2026): "The material change in circumstances must be substantial and continuing since the last award for support."
La. R.S. 9:311(C)(1) (checked October 4, 2026): "There shall be a rebuttable presumption that a material change in circumstances exists when a strict application of the child support guidelines, Part I-A of this Chapter, would result in at least a twenty-five percent change in the existing child support award."
La. R.S. 9:315 (checked October 4, 2026): "This same income sharing principle is used to determine how the parents will share a child support award."
La. R.S. 9:315(C)(1) (checked October 4, 2026): ""Adjusted gross income" means gross income, minus: (a) Amounts for preexisting child support or spousal support obligations owed under an order of support to another who is not a party to the proceedings and (b) At the court's discretion, amounts paid on behalf of a party's minor child who is not the subject of the action of the court."
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