C.R.S. § 42-2-503

As used in this part 5, unless the context otherwise requires: (1) “Identification document” means a driver’s license, minor driver’s license, instruction permit, or identification card issued by the department of revenue under parts 1 and 3 of this article. (2) “Proof of return filing” means the document issued under section 39-21-113 (4)(b), C.R.S., that certifies that the applicant filed a Colorado resident income tax return. (3) “Temporarily present” means a person whose authority to lawfully remain in the United States is temporary and who qualifies for a temporary identification document card under Pub.L. 109-13, Division B, Title II, sec. 202 (c)(2)(C).