Submitted by [user:field_first_name] Basic Info You must be 18 years old to marry in Colorado. However, if you are 16 or 17 years old, you may request permission to marry younger. Forms 1. Case Information Sheet - JDF 1000 PDF Fillable | WORD 2. Petition - JDF 1412 PDF | WORD The core form that starts the case. 3. Order - JDF 1427 PDF | WORD Just fill out the case caption (boxes at top of page). Book traversal links for Child Marriage ‹ Step 5 - Hearing Up End a Marriage ›