Use this program to ask (or "petition") the Family Court to change a support order if there is a "change in circumstances." Ask the Family Court to change an existing child or spousal support order because of a "change in circumstances.WHEREFORE, Petitioner respectfully requests that this Honorable Court modify the existing Order because it will be in the best interest of the child(ren). We represent clients in seeking or challenging an increase, decrease or termination of child support or spousal support. Our Howard and Montgomery County child custody and support lawyers represent parents who want to increase or reduce support orders. An overview of how child and spousal support works in Montgomery County, PA, including how to file for support and how it is allocated. To change this, one party must file a Petition to begin an Alabama divorce modification. Either parent can file a motion to modify an existing child support order at any time. To open a child custody case, you must file your Complaint or Petition with the Clerk of the Court hearing your case. You must also pay a filing fee.