C.R.S. § 4-9-623

(a) A debtor, any secondary obligor, or any other secured party or lienholder may redeem collateral. (b) To redeem collateral, a person shall tender: (1) Fulfillment of all obligations secured by the collateral; and (2) The reasonable expenses and reasonable attorney’s fees described in section 4-9-615 (a)(1). (c) A redemption may occur at any time before a secured party: (1) Has collected collateral under section 4-9-607 ; (2) Has disposed of collateral or entered into a contract for its disposition under section 4-9-610 ; or (3) Has accepted collateral in full or partial satisfaction of the obligation it secures under section 4-9-622 .