C.R.S. § 39-3.5-109
39-3.5-109. Failure to receive notices
39-3.5-109. Failure to receive notices. Failure to receive the notice provided for in this article 3.5 is not a defense in any proceeding for the collection of taxes or for the foreclosure of a tax lien. Neither the state treasurer nor a county treasurer is personally liable for failure to give such notices.