Resource Aid Center

8 min read · Last updated August 7, 2026

In this article

• The first days after the order arrives
• What activates with your very next paycheck
• The mistake that costs parents money on both sides
• When you can actually change the amount
• What to do at 30, 60, and 90 days
• FAQ

The envelope from the state disbursement unit says withholding starts with your very next paycheck, and under federal law as much as 65 percent of it can be taken before you ever see it. Whether you’re the parent paying or the parent receiving, that single sentence raises questions nobody explains at the courthouse: how much, starting exactly when, and whether the number can ever change.

The first days after the order arrives

Every child support order includes an Income Withholding for Support notice, a standard federal form that goes directly to the paying parent’s employer. The employer doesn’t get to decide whether to comply or negotiate the amount; the form tells them exactly how much to withhold and where to send it.

If you’re the parent receiving support, confirm with your state’s child support agency that the notice was actually sent to the correct current employer; an order sent to a former job accomplishes nothing. If you’re the paying parent, check your very next pay stub against the number on the order. A mismatch in either direction, too much or too little, is worth flagging to the child support agency immediately rather than waiting to see if it corrects itself.

What activates with your very next paycheck

Under federal law, 42 U.S.C. section 666, income withholding takes effect on the order’s own effective date, not on the date any payment becomes late. This has been the standard for essentially every new order since the 1990s. There are only two narrow exceptions: a court finds good cause not to require it, or both parents sign a written agreement for a different arrangement.

There’s a real ceiling on how much can be taken, measured against disposable earnings (your pay after taxes and other required deductions, not your gross paycheck). The federal Consumer Credit Protection Act, 15 U.S.C. section 1673(b), caps withholding at 50 percent of that if the paying parent is supporting another spouse or child, or 60 percent if not. If child support arrears run more than 12 weeks past due, those caps rise to 55 percent and 65 percent. States can set a lower cap than the federal one, but never a higher one.

The employer has to move fast on the money once it’s withheld. Federal regulation 45 CFR 303.100 requires the employer to send withheld amounts to the state disbursement unit within 7 business days of the date the parent was paid. That’s the number to watch if a payment seems to have vanished between the paycheck and the state’s records.

If this order followed a recent filing and you’re still sorting out the basics of separating your finances, start with the first 72 hours after divorce papers are filed.

Situation	Maximum share of disposable earnings that can be withheld
Supporting another spouse or child, current on support	50%
Not supporting another spouse or child, current on support	60%
Supporting another spouse or child, arrears over 12 weeks past due	55%
Not supporting another spouse or child, arrears over 12 weeks past due	65%

For example, take a parent with $2,000 in biweekly disposable earnings who isn’t supporting another spouse or child. Up to $1,200 could be withheld per paycheck under the 60 percent federal cap, or up to $1,300 if arrears have run more than 12 weeks past due. Run your own disposable earnings against these percentages to check whether the amount coming out of your check matches what the law actually allows.

The mistake that costs parents money on both sides

Most states calculate the order amount using an “income shares” model, which combines both parents’ incomes and prorates the obligation between them, and it’s the most common approach nationwide. The mistake that costs paying parents money is assuming the number on the order is negotiable through a private conversation with the other parent. It isn’t, once it’s a court order, no matter what the two of you agree to informally. And the mistake that costs receiving parents money is assuming the order will automatically go up if the paying parent’s income rises; it won’t, until someone files for a review.

When you can actually change the amount

Federal law gives either parent the right to request a full review of the order every three years. There’s no need to prove that anything changed; the review happens just because three years passed. Outside that three-year window, most states require proof of a substantial change in circumstances, and each state sets its own specific threshold for what counts, such as Texas’s own modification eligibility rule.

State	Threshold to modify outside the 3-year review cycle
Texas	Order is 3+ years old and differs by 20% or $100 from the current guideline amount, or a material change occurred
Alaska	15% difference from the current guideline amount
Florida	10% difference and at least $25, for agency-reviewed cases
Indiana	More than 20% difference from the current guideline amount
Maine	More than 15% variance from the existing order
Ohio	More than 10% difference from the current guideline amount

If your state isn’t listed here, your state’s child support agency page will state its own threshold directly. Most states also publish an online guideline calculator, such as Georgia’s official child support calculator; check it to see whether your own income change would actually move the number before you file for a review.

What to do at 30, 60, and 90 days

At 30 days, confirm the withholding amount on your pay stub matches the order exactly. If you’re the receiving parent, confirm payments are actually landing in your account or on your card on a predictable schedule. At 60 days, if either parent’s income has changed significantly, start gathering pay stubs and tax documents now, because a modification request moves faster with proof already assembled. At 90 days, if payments have stopped arriving and it isn’t a processing delay, ask your state child support agency about enforcement. Federal law allows interception of the paying parent’s tax refund, and once arrears cross $2,500, the paying parent’s passport can be denied or revoked. States also have their own authority to suspend professional or driver’s licenses over unpaid support, though the specific arrears trigger for that varies by state. If losing health coverage in the divorce is also part of what you’re sorting out right now, see the coverage options available after the decree.

Frequently asked questions

Does withholding start even if I’m not behind on payments? Yes. Federal law ties income withholding to the order’s effective date, not to whether a payment is late. This has been the standard for nearly every new order since the 1990s, with narrow exceptions only for court-found good cause or a written agreement between both parents.

How much of my paycheck can actually be withheld? Federal law caps withholding at 50% of disposable earnings if you’re supporting another spouse or child, or 60% if not. If arrears run more than 12 weeks past due, those caps rise to 55% and 65%. A state can set a lower cap, never a higher one.

Can we just agree between ourselves to a different amount? No. Once an amount is set by court order, an informal agreement doesn’t change what an employer must withhold. Only a modified court order, filed through the child support agency or court, changes the number.

When can I ask for the order to be changed? Either parent can request a full review every three years with no need to prove anything changed. Outside that window, most states require proof of a substantial change in circumstances, with a threshold that varies by state.

What happens if the paying parent falls behind? Federal law allows interception of the paying parent’s tax refund to cover past-due support, and arrears over $2,500 can trigger denial or revocation of a passport. States can also suspend professional or driver’s licenses for unpaid support.