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 1000PDF Fillable | WORD2. Petition - JDF 1412PDF | WORDThe core form that starts the case.3. Order - JDF 1427PDF | WORDJust fill out the case caption (boxes at top of page). Book traversal links for Child Marriage ‹ Step 5 - Hearing Up End a Marriage ›