Child Support Calculation Worksheet

IMPORTANT: THIS IS A PREPARATION GUIDE — NOT THE OFFICIAL COURT WORKSHEET

Connecticut requires the use of official form CCSG-1 (also known as JD-FM-220, Worksheet for the Connecticut Child Support and Arrearage Guidelines) for child support calculations.
This template provides the substantive content and calculation methodology to help you
prepare — but you must transfer your figures to the official worksheet before filing.
The official form is available at https://www.jud.ct.gov/webforms/forms/CCSG-1.pdf.
Do not file this document directly with the court.

CHILD SUPPORT CALCULATION WORKSHEET

State of Connecticut — Income Shares Model (C.G.S. § 46b-215a)

Table of Contents

1. Case Information
2. Children Subject to This Order
3. Gross Income Determination
4. Net Income Calculation
5. Basic Child Support Obligation
6. Additional Expenses
7. Total Child Support Obligation
8. Deviation Criteria
9. Duration and Modification
10. State-Specific Notes
11. Sources and References

1. Case Information

2. Children Subject to This Order

Total Number of Children: [____]

Custody Arrangement:
☐ Sole Physical Custody — Parent A
☐ Sole Physical Custody — Parent B
☐ Shared Physical Custody
☐ Split Custody

3. Gross Income Determination

Parent A — Weekly Gross Income

Parent B — Weekly Gross Income

4. Net Income Calculation

Combined Net Weekly Income: $ [________________________________]

Percentage of Combined Net Income:

• Parent A: [____] %
• Parent B: [____] %

5. Basic Child Support Obligation

☐ Combined net weekly income exceeds $4,000 — case-by-case determination applies

6. Additional Expenses

Health Insurance

Childcare Costs

Extraordinary Expenses

7. Total Child Support Obligation

Weekly Child Support Payment: $ [________________________________]

Self-Support Reserve Check:

☐ Noncustodial parent's remaining weekly income after support: $ [____________]
☐ Current federal poverty level for one person (weekly): $ [____________]
☐ Self-support reserve adjustment applies: ☐ Yes ☐ No

8. Deviation Criteria

☐ No deviation requested

☐ Deviation requested based on:

☐ Other financial resources of the child
☐ Extraordinary medical or educational expenses
☐ Child's special needs
☐ Extraordinary earning capacity of either parent
☐ Tax consequences
☐ Shared custody arrangement
☐ Travel costs for visitation
☐ Other: [________________________________]

Proposed deviation amount (weekly): $ [________________________________]

Justification:
[________________________________]
[________________________________]

9. Duration and Modification

Duration of Support:

• Support continues until the child reaches age 18, or
• Age 19 if the child is a full-time high school student
• ☐ Child is emancipated
• ☐ Child marries
• ☐ Child enters active military duty
• ☐ Court-ordered post-majority educational support (Conn. Gen. Stat. § 46b-56c)
• ☐ Other terminating event: [________________________________]

Modification:

☐ This is a modification of a prior order dated [__/__/____]
☐ Existing order amount: $ [____________] per week
☐ Recalculated amount: $ [____________] per week
☐ Substantial change in circumstances: ☐ Yes ☐ No

10. State-Specific Notes

1. Weekly Income Basis: Connecticut is distinctive in using combined net weekly income rather than monthly gross income for child support calculations.

2. Net Income Model: Unlike most states that use gross income, Connecticut calculates based on net income after taxes and mandatory deductions.

3. High-Income Cap: When combined net weekly income exceeds $4,000, the guidelines schedule does not apply; the court exercises discretion consistent with statutory criteria.

4. Self-Support Reserve: The guidelines include a self-support reserve equal to the federal poverty level for one person, ensuring the obligor retains sufficient income for basic needs.

5. Post-Majority Support: Connecticut courts may order educational support for children beyond age 18, including college expenses, under Conn. Gen. Stat. § 46b-56c.

6. Commission Review: The Connecticut Commission for Child Support Guidelines periodically reviews and updates the guidelines and schedule.

11. Sources and References

• Conn. Gen. Stat. § 46b-215a — Child Support Guidelines
• Connecticut Child Support Guidelines (Official Publication)
• Conn. Agencies Regs. § 46b-215a-2c — Guidelines Schedule
• Connecticut Child Support Guidelines — FindLaw

CERTIFICATION

I declare under penalty of perjury that the information provided in this worksheet is true and correct to the best of my knowledge.

Parent A Signature: [________________________________] Date: [__/__/____]

Parent B Signature: [________________________________] Date: [__/__/____]

Attorney for Parent A: [________________________________] Bar #: [____________]

Attorney for Parent B: [________________________________] Bar #: [____________]