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North Carolina Child Support Guidelines

What are the North Carolina Child Support Guidelines? They are statewide rules that set a child support amount using each parent’s gross income, the number of overnights, health insurance premiums for the child, work-related childcare, and proven extraordinary expenses. Courts calculate support on Worksheet A, B, or C and usually include wage withholding and medical support language so payments are on time and trackable.

Start with the right worksheet and clean inputs. This guide explains the North Carolina Child Support Guidelines from the basics to advanced topics like deviations, credits, and interstate enforcement.

NC child support search journey: from first question to final order

1) Initial query

“How is child support calculated in North Carolina?” Learn the guideline definition, worksheet types, and inputs.

Related: Child Support Guidelines NC, NC child support calculation

2) Refined searches

“Worksheet A vs B vs C,” “medical support,” “childcare add-ons,” “deviation,” “retroactive.” Read medical support, add-ons, and deviation.

Related: North Carolina Child Support Guidelines, NC worksheet B shared custody

3) Final intent

“I need the right number and a clean order.” Go to checklist, sample calculation, and order and enforcement. Then book a review.

Related: guidelines for child support in NC, modify support, wage withholding

Worksheets A, B, and C under the North Carolina Child Support Guidelines

The Guidelines use three worksheets based on overnights and how children split time between homes:

  • Worksheet A (Primary Custody) — one home has most overnights. See Worksheet A in NC.
  • Worksheet B (Shared Custody) — substantial time in both homes. See Worksheet B in NC.
  • Worksheet C (Split Custody) — siblings reside in different homes. See Worksheet C in NC.

Tip: A simple parenting-time calendar for the last 60 to 90 days helps confirm the right worksheet.

Guideline inputs: what the court needs to calculate support

Core inputs

  • Gross income for each parent (wages, self-employment, bonuses, recurring commissions)
  • Overnights for each home
  • Health insurance premiums attributable to the child
  • Work-related childcare (net of any credits)
  • Extraordinary expenses (for example, special needs or agreed activities with real cost)

Proof that helps

  • Recent pay stubs, W-2 or 1099, tax return
  • Insurance statements that show the child portion of the premium
  • Childcare contracts and payment receipts
  • Schedules or calendars that show overnights
  • Invoices for proven extraordinary costs

Medical support and unreimbursed expenses

Orders must set who carries insurance, the child’s coverage details, and how unreimbursed expenses are shared. Many orders split unreimbursed costs by income share with clear rules for notice and repayment. For a deeper dive, see Health Insurance and Childcare Add-Ons.

Childcare and extraordinary expenses

Work-related childcare is counted when it is needed to work or look for work. Extraordinary expenses may include special needs or agreed educational costs. Keep proof simple and dated so the numbers can be verified.

Example: Sample NC child support calculation (illustrative)

This shows how inputs flow through a worksheet. It is not legal advice for your case.

Input Parent A Parent B
Gross monthly income $4,500 $3,000
Overnights 260 105
Child’s health insurance premium $120 $0
Work-related childcare $0 $300
Extraordinary expenses $0 $0

With these inputs, the court would select the correct worksheet based on overnights, apply income shares, then adjust for insurance and childcare. The final number depends on the worksheet and the specific formula in the Guidelines.

Deviation from the Child Support Guidelines in NC

Most cases follow the Guidelines. A judge can set a different amount when the guideline number is not fair or not in the child’s best interests. Strong proof and written findings are required. Common reasons include special needs, high travel costs for exchanges, or very high income. Learn more: Deviation From Guidelines.

Retroactive support and payment credits

Courts can address support owed before the first order and support owed between filing and the first hearing. Bring clean proof of any direct payments so you receive proper credits. See Retroactive Support & Payment Credits.

Orders, wage withholding, and enforcement

Final orders usually include wage withholding so payments run through payroll and are tracked. For missed payments, the court can use compliance plans, arrears schedules, or contempt where appropriate.

Out-of-state orders and UIFSA

If your child support order is from another state, we register it in North Carolina under UIFSA and confirm which court has power to modify. This avoids duplicate cases and clears the path for enforcement. See related: Interstate & International.

People also ask about the North Carolina Child Support Guidelines

How do I calculate child support in NC?

Choose Worksheet A, B, or C based on overnights. Enter each parent’s gross income, the child’s insurance premium, work-related childcare, and any extraordinary expenses. The worksheet applies the formula to produce a monthly amount.

What counts as income under the Guidelines?

Wages, tips, commissions, recurring bonuses, self-employment income, and other regular earnings. The focus is on gross income, not take-home pay, unless the Guidelines instruct otherwise.

Do courts always follow the NC Guidelines?

Almost always. A judge may deviate with strong proof and written findings that a different amount is fair and serves the child’s interests.

How are medical and dental costs handled?

Orders set who carries insurance and how unreimbursed expenses are shared. Deadlines and documentation rules keep repayment smooth.

Can child support be changed later?

Yes. Modification requires a material change such as a significant income shift, a change in overnights, or major expense changes. The common benchmark is a 10 percent change in the guideline amount or three years since the last order.

What to bring and your first 72 hours with our team

Documents checklist

  • Two months of pay stubs, W-2 or 1099, and the most recent tax return
  • Health insurance premium statements that show the child portion
  • Childcare invoices or contracts with payment history
  • A simple overnight calendar for the past 60 to 90 days
  • Any prior support orders or IV-D notices

Your first 72 hours

1) Strategy
Confirm the right worksheet and data sources.

2) Proof
Gather income, insurance, childcare, and add-on records.

3) Draft
Prepare the guideline worksheet and exhibits.

4) Order
Proposed language for wage withholding and medical support.

5) Follow-through
Confirm payroll and insurers process the order correctly.

Your North Carolina Child Support Lawyer

Krispen Culbertson, North Carolina child support lawyer

Krispen Culbertson has handled guideline calculations, deviations, wage withholding, arrears ledgers, retroactive claims, and interstate enforcement for more than 20 years in District Courts across North Carolina.

Memberships: North Carolina State Bar; local family law sections. Courts: Weekly District Court calendars in Guilford County and surrounding counties.

Practice insight

Case study: In a shared custody case with high travel costs, we documented mileage, schedules, and airfare receipts. The court approved a limited deviation and added clean language on medical support. Payroll implemented the new amount the next cycle and billing confusion stopped.

Related resources in our custody and support library

Many families work through custody and support at the same time. You may also find these helpful:




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