A lien in favor of an issuer upon a certificated security is valid against a purchaser only if the right of the issuer to the lien is noted conspicuously on the security certificate.
Source: L. 96: Entire article R&RE, p. 219, § 2, effective July 1.
Issuer's lien
Colo. Rev. Stat. § 4-8-209, under ISSUE AND ISSUER.
Colo. Rev. Stat. § 4-8-209