C.R.S. § 29-4-232

All proceedings, acts, and things undertaken, performed, or done prior to May 17, 1939, in or for the authorization, issuance, execution, and delivery of notes and bonds by housing authorities for the purpose of financing or aiding in the development or construction of a housing project and all notes and bonds issued by housing authorities prior to May 17, 1939, are validated, ratified, confirmed, approved, and declared legal in all respects, notwithstanding any want of statutory authority or any defect or irregularity therein.