How to change child support in Pennsylvania

How and when to ask for a new amount, with a review letter.

Checked against official sources: Oct 25, 2026.

Short answer

To modify an order means to change the amount by a new order. When there is a material and substantial change in circumstances, such as new or lost income, higher child care or medical coverage costs, a change in custody, or a child's emancipation.

Agency review
Every 3 years if a parent asks (federal law)
First form
Apply for / modify child support (E-Services)

When you can ask for a change in Pennsylvania

When there is a material and substantial change in circumstances, such as new or lost income, higher child care or medical coverage costs, a change in custody, or a child's emancipation. A new guideline amount from revised guidelines may also count.

Law: Pa.R.Civ.P. 1910.19

Can I ask for a change? Check your situation

Pennsylvania's rule: When there is a material and substantial change in circumstances, such as new or lost income, higher child care or medical coverage costs, a change in custody, or a child's emancipation. A new guideline amount from revised guidelines may also count.

Law: Pa.R.Civ.P. 1910.19

Until a new order is made, the current amount is still owed. A change can count only from the date the other parent gets notice of your request, so ask soon.

Law: 42 U.S.C. 666(a)(9)

How to ask in Pennsylvania: File a Petition for Modification with your county DRS (paper form from the DRS, or online through E-Services). The DRS schedules an office conference; if either party disagrees with the result, there can be a court hearing.

How to ask for a change in Pennsylvania

File a Petition for Modification with your county DRS (paper form from the DRS, or online through E-Services). The DRS schedules an office conference; if either party disagrees with the result, there can be a court hearing.

Write to the child support agency to ask for a review: Ask the agency to review (change) your order

New rules in Pennsylvania

The Pennsylvania Supreme Court amended the support guidelines on August 11, 2025, effective January 1, 2026 (55 Pa.B. 5978), including an updated basic child support schedule and a Self-Support Reserve of $1,255. Rule 1910.16-2 was also amended October 25, 2024 (54 Pa.B. 7348).

Incarceration and changes

State guidelines may not treat time in jail or prison as choosing not to work, when support is set or changed.

Law: 45 CFR 302.56(c)(3)

In nearby states

Your next steps in Pennsylvania

  1. Find your order

    Find the date and the amount on the order.

  2. Compare with the rule

    The rule in Pennsylvania: When there is a material and substantial change in circumstances, such as new or lost income, higher child care or medical coverage costs, a change in custody, or a child's emancipation.

  3. Gather proof

    Papers that show the change make the request stronger.

  4. Send your request

    Request a review from Pennsylvania Department of Human Services, Bureau of Child Support Enforcement (1-800-932-0211) · Apply online

  5. Ask for free help

    Legal aid can help for free: Pennsylvania Bar Association - Find a Lawyer.

Where to get free help in Pennsylvania

Questions about changing support in Pennsylvania

What counts as a reason to change support in Pennsylvania?

When there is a material and substantial change in circumstances, such as new or lost income, higher child care or medical coverage costs, a change in custody, or a child's emancipation. A new guideline amount from revised guidelines may also count.

How do I request a review in Pennsylvania?

File a Petition for Modification with your county DRS (paper form from the DRS, or online through E-Services). The DRS schedules an office conference; if either party disagrees with the result, there can be a court hearing.

Related Pennsylvania pages

Sources