CCSG-1 at a glance
What it is: CCSG-1 is the Worksheet for the Connecticut Child Support and Arrearage Guidelines of the State of Connecticut Commission for Child Support Guidelines.
A filled-in CCSG-1 example: Parent A fills in Section I
How to fill out CCSG-1, box by box
Custodian, parents, court and children
Enter the names of Parent A and Parent B, mark the Custodian box for Parent A or Parent B or mark Other, and enter the Court, the Docket Number/Case Number, the Number of children and each Child's Name and Date of Birth.
I. Net Weekly Income, lines 1 to 11
In I. Net Weekly Income, all money amounts may be rounded to the nearest dollar.
In Box 1, enter Gross income and attach verification.
On line 1a, enter the Number of hours used in calculation.
In Box 2, enter Federal income tax, based on all allowable exemptions, deductions and credits.
In Box 3, enter Social Security tax or mandatory retirement.
In Box 4, enter Medicare tax.
In Box 5, enter State and local income tax, based on all allowable exemptions, deductions and credits.
In Box 6, enter Medical/hospital/dental insurance premiums (including HUSKY) for parent and all legal dependents.
In Box 7, enter Court-ordered life insurance for benefit of child.
In Box 8, enter Court-ordered disability insurance.
In Box 9, enter Mandatory union dues or fees, only if deducted by employer.
In Box 10, enter Mandatory uniforms and tools, only if deducted by employer.
In Box 11, enter Non-arrearage payments on court ordered alimony and child support (for other than parent/child(ren) of this order).
Qualified Child Deduction Section, line 12 to 12f
In Box 12, enter the Amount reserved to support qualified child(ren) (line 12f x line 12a).
In the Qualified Child Deduction Section, on line 12a, enter the Number of qualified children.
On line 12b, enter the Total number of children for qualified child calculation: Number of children on this order + line 12a.
On line 12c, add lines 2 through 11.
On line 12d, enter line 1 - line 12c.
On line 12e, enter the amount from the schedule based on the parent's line 12d income and the total number of children (line 12b).
On line 12f, enter line 12e ÷ line 12b.
Lines 13 and 14, net weekly income
In Box 13, add lines 2 through 12.
In Box 14, enter Net weekly income (line 1 - line 13).
II. Current Support, lines 15 to 20
In II. Current Support, in Box 15, add together both parents' line 14 income and round to the nearest $10 (checked November 1, 2026).
In Box 16, enter the Basic child support obligation (from Schedule of Basic Child Support Obligations).
In Box 17, enter each parent's percentage share of line 15 (line 14 for each parent ÷ line 15). If noncustodial parent is a low-income obligor, skip this line and enter line 16 amount in noncustodial parent's column on line 18.
In Box 18, enter each parent's share of the basic child support obligation (line 17 x line 16).
In Box 19, enter the Social Security dependency benefits adjustment.
In Box 20, enter the Presumptive current support amount (line 18 - line 19), and enter the noncustodial parent's amount on line 30.
III. Net Disposable Income, lines 21 to 23
In III. Net Disposable Income, on line 21, enter line 14 + line 30 for the custodial parent and line 14 - line 30 for the noncustodial parent.
On line 22, enter the noncustodial parent's line 19 amount (Social Security dependency benefits for child).
On line 23, enter line 21 + line 22 for the custodial parent and line 21 - line 22 for the noncustodial parent.
IV. Unreimbursed Medical Expenses, lines 24 to 26
In IV. Unreimbursed Medical Expenses, on line 24, add both parents' line 23 amounts and enter it as the combined net disposable income.
On line 25, enter each parent's percentage share of combined net disposable income (line 23 for each parent / line 24; then x 100 and round to the nearest whole %).
If the noncustodial parent is a low-income obligor (based on line 14 Net Weekly Income), go to line 26. If the noncustodial parent is not a low-income obligor (based on line 14 Net Weekly Income), enter these percentages on line 33b.
On line 26, compare the noncustodial parent's line 25 amount to 50%, enter the lower percentage on line 33b for the noncustodial parent, then take 100 - line 33b for the noncustodial parent and enter the amount on line 33b for the custodial parent.
V. Child Care Contributions, lines 27 and 28
In V. Child Care Contributions, on line 27: Does the noncustodial parent's line 23 amount fall within the shaded area of the schedule? If yes, go to line 28. If no, skip line 28 and enter the noncustodial parent's line 25 percentage on line 34b.
On line 28: Does the custodial parent's line 23 amount fall within the shaded area of the schedule? If no, enter 20% on line 34b as the noncustodial parent's child care contribution. If yes, compare the line 25 amount for the noncustodial parent to 50% and enter the lower amount on line 34b.
VI. Arrearage Payment, line 29 and boxes A to D
In VI. Arrearage Payment, on line 29, enter line 30 x .20, OR the amount determined in A, B, C or D, selecting the box that applies, and enter the line 29 amount on line 31.
In box A, if the noncustodial parent is a low income obligor, enter the greater of 10% of line 30 or $1 per week, unless paragraph B applies (checked November 1, 2026).
In box B, if the child is living with the obligor, enter $1 per week if the obligor's gross income is less than or equal to 250% of poverty level, OR 20% of an imputed support obligation for the child if the obligor's gross income is greater than 250% of poverty level (checked November 1, 2026).
In box C, if there is no current support order and paragraph B does not apply, enter 20% of an imputed support obligation if the parents have a present duty to provide support for the child, OR not less than 20% or more than 100% of an imputed support obligation, as determined by the magistrate or judge, if the parents have no present duty to provide support for the individual.
In box D, if paragraphs A, B and C do not apply and the sum of the current support and arrearage payments would exceed 55% of the noncustodial parent's line 14 amount, enter 55% of the noncustodial parent's line 14 amount - line 30 amount.
VII. Summary of Worksheet, lines 30 to 35
In VII. Summary of Worksheet, on line 30, enter the Presumptive current support (from line 20); the Total Child Support Award Calculation lists the Line 30 Amount, the Line 31 Amount, Line 33a and the Line 34 Amounts.
On line 31, enter the Arrearage payment (from line 29). On line 32, enter the Total arrearage, broken down as State arrearage and Family arrearage. On line 33a, enter the Cash medical. On line 33b, enter the Unreimbursed medical expenses as Parent A% and Parent B%. On line 34, enter the Child Care Contribution: on line 34a the Child Care Contribution $, on line 34b the Child Care Contribution %. Under Total Child Support Award, line 34 lists the Cash child care amount and the $ equivalent of % (if known).
On line 35a, enter the Total child support award (excluding % amounts for unknown costs). On line 35b, enter the Total child support award as a % of the obligor's net income (line 35a ÷ line 14 of the obligor; then x 100).
Deviation Criteria, line 36
In Deviation Criteria (attach additional sheet(s) if necessary), on line 36, select here if requesting a deviation by agreement and enter the reason(s) for deviation from presumptive support amounts.
Prepared By, Title and Date
Enter Prepared By, Title and Date.
Sources
[1] Form CCSG-1 (Rev. 5-25), Worksheet for the Connecticut Child Support and Arrearage Guidelines, State of Connecticut Commission for Child Support Guidelines (the Official source link on this page).