A.  Timeline


C.R.S. § 19-3-507(4)
The court should hold a review hearing within three months of a placement order. Court review of an order placing a child out of the home is required. 

C.R.S. § 19-3-702(8)
Reviews are routinely held after a D&N disposition even if the child is at home. The court may hold more frequent reviews if desired, or if the parent, DHS, GAL, or CASA requests it.

C.R.S. § 19-3-702(2.5)
If the petition names a child under the age of six, the court must hold a permanency hearing within three months of the dispositional hearing, unless the court determines at the dispositional hearing that an appropriate treatment plan cannot be devised. 

C.R.S. § 19-3-703
In that case, a permanency hearing must be held within thirty days. These children must be in a permanent home within twelve months.