An affidavit must be sworn in front of a notary. Everything in the affidavit must be true and correct.To modify a divorce decree in Texas, you must demonstrate a material and substantial change in circumstances. The following forms are available for downloading, printing and completing. The terms of the division in the decree are just and right. I believe the property division in the decree is fair and equitable to both my spouse and me. You must first file a petition for divorce with a bureau of vital statics form, Civil Case Information Sheet, and a Harris County Civil Process Request Form. You will need to fill out a Civil Case Information Sheet form, which you can get at the courthouse. These instructions explain the basic steps in a default divorce when there is already a final court order for custody and support of your children already in. Wondering if a default divorce judgment can be reversed?