Lisa Baker Canterberry, Attorney At Law is available to advocate for you immediately. Contact us now at (214) 367-5026 for a completely free consultation.Plano, TX lawyer for modification and enforcement of child support, custody, and spousal support orders in Collin County. To modify a divorce decree in Texas, you must demonstrate a material and substantial change in circumstances. File Your Petition Promptly. Filing for divorce in Collin County involves completing and submitting the necessary paperwork to the appropriate court. All parties involved in a collaborative divorce or modification case are fully committed to settling out of court. It's not unusual for divorced spouses to seek a change to the agreement as circumstances change. If you would like to change a child support or custody order that resulted from a SAPCR, you will need to file with the court for a modification. I'm not sure I want to file for a divorce.