C.R.S. § 25.5-5-208
(1) Section 23(2) of chapter 271 (HB 15-1367), Session Laws of Colorado 2015, provides that this section takes effect only if a majority of voters approve the ballot issue referred in accordance with section 39-28.8-603 (1) at the November 2015 statewide election. If the voters approve the ballot measure, this section is effective on the date of the official declaration of the vote by the governor, or January 1, 2016, whichever is later. The ballot issue was approved by voters on November 3, 2015. The governor's proclamation was issued on December 28, 2015, establishing an effective date of January 1, 2016, for this section. The vote count for the measure was as follows:
FOR: 847,380
AGAINST: 373,734
(2) Subsection (2)(b)(II) provided for the repeal of subsection (2)(b), effective September 1, 2019. (See L. 2018, p. 1428.)
For the legislative declaration in HB 15-1367, see section 1 of chapter 271, Session Laws of Colorado 2015.