An Oregon Letter To Court Clerk Requesting Registration of A Child Custody Determination Under McCrea (5C) is a legal document that is used in the state of Oregon to request the registration of a child custody determination under the Uniform Child Custody Jurisdiction and Enforcement Act (McCrea). This letter is typically used when one or both parents have moved from one state to another or have relocated to Oregon. The letter must be signed by both parents and must contain information about the court order, the child's name, the parent's names, the state and county where the court order was issued, and the date the court order was issued. There are two different types of Oregon Letter To Court Clerk Requesting Registration of A Child Custody Determination Under McCrea (5C): 1. Original Letter: This is the letter that is sent to the court clerk in order to register the child custody determination and is typically used when the court order was issued in another state. 2. Modification Letter: This is the letter that is sent to the court clerk in order to modify the child custody determination and is typically used when the court order was issued in Oregon.