You need to file to modify your child support amount immediately, otherwise arrears will continue accruing until you modify support. You usually can not get rid of arrearages in support. Seek local counsel to see what the procedure in your area is.
The above response is general information ONLY and is not legal advice, does not form an attorney-client relationship, and should NOT be relied upon to take or refrain from taking any action. I am not your attorney. You should seek the advice of competent counsel before taking any action related to your inquiry.
You are being given bad information. Contact an attorney immediately and file the modification request.
This response does not constitute legal advice and does not create an attorney-client relationship. I am licensed to practice only in Kansas. Seek legal advice from an attorney in your state or the state in which your legal claim exists.