When does someone usually file for allocation of parental responsibilities?
Generally if you and the other parent are married and seeking a divorce, one or both of you may file for allocation of parental responsibilities as part of the divorce (dissolution) action or legal separation.1
If you and the other parent are already divorced, and one of you wants to change (modify) the allocation of parental responsibilities order, a petition can be filed in the county where the divorce was issued.
If you and the other parent were never married, either of you may file for allocation of parental responsibilities in the county in where the child lives.2 For more information about whether or not to file, see What are some advantages and disadvantages for getting an allocation of parental responsibilities order? To find out what the process will be like for you based on your particular situation, please consult a lawyer in your area.
1 C.R.S. § 14-10-123(1)(a)(I)
2 C.R.S. § 14-10-123(1)(a)(II)