This Colorado "JDF 1601 - Petition for Declaration of Invalidity of Marriage (Please file with JDF 1000)" form is classified as a
Divorce Filing form. This page contains information about what this form is used for and who must file it, as well as links to print or download the form as a PDF. The process of filing your own divorce is complicated, and often requires the filing of multiple forms - you can view the
full list ofColorado divorce forms here.
Form Description: This form is filled out to file for divorce. This form contains selectable reasons for why the marriage is invalid and when it is prohibited by law. Other information must be given such as the name, present address, sex, and date of birth of any child(ren) that was/were born or adopted by those in the marriage. This form must be filed with the form JDF 1000.