Colo. Rev. Stat. § 13-55-101
Except in cases of garnishment pursuant to article 54.5 of this title, in cases where a sheriff or other officer by virtue of a writ of execution, writ of attachment, or other order of court issued by a court of record or clerk thereof levies upon, seizes, or takes into his possession any property of the defendant debtor, which said property, or part thereof, the defendant claims as exempt under the provisions of the statutes of the state, said defendant debtor, within fourteen days after being served with notice of such levy or seizure, shall make and file with the clerk of the court of record out of which such writ of execution, writ of attachment, or other order was issued a written claim of such exemption setting forth with reasonable detail the description of the property so claimed to be exempt together with the grounds of such claim of exemption.
C.R.S. § 13-55-101