Colo. Rev. Stat. § 30-10-713
Upon the resignation or removal from office of any county treasurer, all the books and papers belonging to the treasurer's office, and all moneys in the treasurer's hands by virtue of the treasurer's office, shall be delivered to the treasurer's successor in office, upon the oath of such preceding treasurer, or in case of the treasurer's death, upon oath of the treasurer's executors or administrators. If any such preceding county treasurer, or in case of the treasurer's death, the treasurer's executors or administrators neglect or refuse to deliver up such books, papers, and moneys on oath, when lawfully demanded, every such person shall forfeit a sum of not less than one hundred dollars nor more than five hundred dollars.
C.R.S. § 30-10-713