Reviewed for current 2026 law

New Hampshire Child Support Arrears Guide 2026

Use the BCSS or court ledger for the controlling balance and any order-specific interest.

Reviewed by SupportDecode Editorial Team Page content reviewed Sources Methodology Update log

arrears guide

Arrears owed

The unpaid support amount itself, before any interest.

Accrual period
How do you want to enter the period?

Estimated arrears with interest: $5,000.00

Interest of $0.00 under RSA chapters 458-B and 161-B.

How this estimate was computed
Line itemAmount
Arrears principalRSA chapter 458-B, Income Assignment (New Hampshire General Court)$5,000.00
Interest not computed: no verified numeric rate (RSA chapters 458-B and 161-B)The reviewed New Hampshire support statutes provide arrears enforcement but no single fixed automatic child-support interest percentage for this calculator. Confirm the controlling order and BCSS ledger.RSA chapter 458-B, Income Assignment (New Hampshire General Court)$0.00
Arrears principal plus interestRSA chapter 458-B, Income Assignment (New Hampshire General Court)$5,000.00

Assumptions

  • Accrual period expressed as 12 month(s); partial months prorate.
  • No verified numeric interest rate for this state; interest shown as 0 and the result is an estimate of principal only.

Estimate only. The court or state agency calculation controls.

New Hampshire arrears interest under RSA chapters 458-B and 161-B; rules last reviewed 2026-08-09.

No fixed automatic rate is encoded here

New Hampshire law provides income assignment and enforcement when arrears accrue.

The reviewed support statutes do not state one fixed automatic interest percentage for every child-support balance.

The tool preserves principal and directs users to the official ledger.

Fixed calculator rate
Nonesource
Income assignment trigger
One-month arrearage in covered casessource

Confirm the case ledger

Use each installment date, payment, adjustment, and the controlling order.

Do not import an unrelated general judgment rate without legal confirmation.

What this estimate includes

  • Principal display
  • Enforcement explanation

What it leaves out

  • Invented interest
  • Installment ledger
  • Official payoff

New Hampshire arrears guide FAQs

What is the New Hampshire arrears interest rate?

The reviewed support statutes do not supply one fixed automatic percentage for this calculator.

Can income assignment collect arrears?

Yes. RSA chapter 458-B provides income assignment and arrears collection.

When can assignment begin?

Rules depend on the order, but a one-month arrearage is a statutory trigger in covered cases.

Does this calculate a payoff?

No. A payoff needs the official ledger.

Are payments included?

No. Use the agency account history.

Where can I confirm the balance?

Contact New Hampshire BCSS or the issuing court.

Official sources

Official sources last verified: .

Changelog: page reviewed . Material changes appear in the update log.