C.R.S. § 4-9-531

(a) As soon as feasible, but no later than July 1, 2003, the secretary of state shall remove social security numbers from the publicly accessible electronic records of all financing statements in the custody of the secretary that were filed with a filing office on or after April 6, 1989, and before July 1, 2001, pursuant to repealed provisions of this article that required that any such financing statement contain a social security number. (b) A financing statement from which the secretary of state removes a social security number pursuant to subsection (a) of this section shall not be rendered insufficient or ineffective by such removal. (c) Repealed.