If the support enforcement unit believes an obligor has an account at a financial institution, they may compel the bank to turn over the funds in the account to cover the amount of any back child support due. Such a garnishment may be levied on joint bank accounts, too. A Garnishment is similar to FIDM but does take prior court approval and a Verified Entry of Judgment must be in place.
§13-54.5-101 C.R.S. Colorado Rules of Civil Procedure - Rule 103