Virginia child support guideline deviation lawyer

The guideline figure is where a Virginia support calculation starts, not where it necessarily ends. Va. Code § 20-108.1 creates a rebuttable presumption that the guideline amount is correct and permits the court to deviate on enumerated factors. Rebutting a presumption is a specific exercise with a specific requirement, and applications fail for want of that rather than for want of merit. Law Offices Of SRIS, P.C. has practiced since 1997 and Mr. Sris is admitted in Virginia. Reach our location at (888) 437-7747.

On This Page

What the Statute Provides

Section 20-108.1 states that there shall be a rebuttable presumption that the amount produced by applying the guidelines is the correct amount of child support. The court may deviate based on enumerated factors, which include the assets and debts of the parties, the custody arrangement, the special needs of the child, and other relevant factors.

The presumption has a practical consequence that is frequently missed: a court deviating from the guideline must explain why. That requirement cuts both ways — it is the reason a well-evidenced deviation application succeeds, and the reason a poorly evidenced one leaves no basis for the court to depart.

Getting the Inputs Right First

Many deviation arguments are really disputes about the inputs. Gross income as the guideline defines it, the cost of health insurance for the child, work-related childcare, support paid for other children, and the number of days in the custody arrangement all feed the calculation before any question of deviation arises.

Correcting an input is easier and more reliable than seeking a deviation, and it is examined first. A parent arguing for deviation on an incorrect income figure is arguing the wrong point.

Where Deviation Is Actually Granted

Recurring grounds include a child’s extraordinary medical or educational needs with documented cost; a custody arrangement whose actual pattern differs materially from the day count used; substantial travel costs between households; support obligations for other children; and imputed income or earning capacity where the guideline figure rests on an income that does not reflect capacity.

In each case the requirement is the same: documented cost or a documented arrangement, quantified. A general statement that the guideline amount is unfair is not a ground and does not give the court anything to write.

Modification

Support is modifiable under Va. Code § 20-108 on a material change in circumstances, and the deviation analysis applies again at that point. Where a payor’s income has genuinely changed, applying promptly matters, because modification generally operates from the date of the application rather than from the date the circumstances changed — a delay of months is a real cost that cannot be recovered afterwards.

Frequently Asked Questions

Is the guideline amount binding?

No. Va. Code § 20-108.1 creates a rebuttable presumption that it is correct, and permits deviation on enumerated factors including the assets and debts of the parties, the custody arrangement, the special needs of the child and other relevant factors.

What does rebuttable actually mean here?

That the figure stands unless a party gives the court a reason to depart, and that a court which deviates must explain why. That requirement is why a well-evidenced application succeeds and why a poorly evidenced one leaves the court nothing to write.

Should I argue deviation or dispute the inputs?

Check the inputs first. Gross income as the guideline defines it, health insurance for the child, work-related childcare, support for other children and the day count all feed the calculation before deviation arises. Correcting an input is easier and more reliable than seeking a departure.

What grounds actually succeed?

Documented extraordinary medical or educational needs, a custody pattern differing materially from the day count used, substantial travel costs between households, obligations for other children, and earning capacity where the income used does not reflect it. Each requires the cost or arrangement quantified.

Is unfairness a ground?

No. A general statement that the amount is unfair is not one of the enumerated factors and gives the court nothing to write in explaining a departure. Deviation applications need documented cost or a documented arrangement rather than a sense of injustice.

How quickly should I apply to modify?

Promptly. Modification under Va. Code § 20-108 requires a material change in circumstances, and it generally operates from the date of the application rather than from when circumstances changed. Months of delay is a real and unrecoverable cost.

About Mr. Sris

Mr. Sris is the owner and founder of Law Offices Of SRIS, P.C., which has practiced since 1997. He is admitted in Virginia, Maryland, the District of Columbia, New Jersey and New York. Of Counsel attorneys contract directly with the firm and handle matters alongside him.

Speak With Mr. Sris

The guideline is a presumption a court must explain departing from, so a deviation case is built on quantified cost rather than on unfairness. Request a consultation. Reach our location at (888) 437-7747. Consultations are by appointment.

Last reviewed: August 24, 2026.

Attorney Advertising. Law Offices Of SRIS, P.C., principal office: 4008 Williamsburg Court, Fairfax, VA 22032. By appointment. Call (888) 437-7747 to schedule.

The information on this page is general and is not legal advice. No attorney-client relationship is created by reading it or by contacting the firm. Case results depend on a variety of factors unique to each case. Results may vary.

Attorney advertising. Prior results do not guarantee a similar outcome.

Attorney responsible for this advertising: Mr. Sris.