Text of CO HB 1128 (2026)

Second Regular Session Seventy-fifth General Assembly STATE OF COLORADO INTRODUCED LLS NO. 26-0308.01 Jacob Baus x2173 HOUSE BILL 26-1128 House Committees Senate Committees State, Civic, Military, & Veterans Affairs A BILL FOR AN ACT CONCERNING THE STATUTE OF LIMITATIONS FOR YOUTH GENDER 101 TRANSITION PROCEDURES. 102 Bill Summary (Note: This summary applies to this bill as introduced and does not reflect any amendments that may be subsequently adopted. If this bill passes third reading in the house of introduction, a bill summary that applies to the reengrossed version of this bill will be available at http://leg.colorado.gov.) The bill requires that a cause of action for an intentional or negligent act for an injury as a result of a youth gender transition procedure by a provider must be brought before the youth reaches 38 years old. HOUSE SPONSORSHIP DeGraaf, SENATE SPONSORSHIP (None), Shading denotes HOUSE amendment. Double underlining denotes SENATE amendment. Capital letters or bold & italic numbers indicate new material to be added to existing law. Dashes through the words or numbers indicate deletions from existing law. Be it enacted by the General Assembly of the State of Colorado: 1 SECTION 1. In Colorado Revised Statutes, add 13-80-104.5 as 2 follows: 3 13-80-104.5. Limitation of actions for youth gender transition 4 procedures - severability - legislative declaration - definitions. 5 (1) AS USED IN THIS SECTION, UNLESS THE CONTEXT OTHERWISE 6 REQUIRES: 7 (a) "PROVIDER" MEANS A PHYSICIAN, SURGEON, 8 ENDOCRINOLOGIST, MENTAL HEALTH PROFESSIONAL, CLINIC, HOSPITAL, OR 9 OTHER ENTITY INVOLVED IN RECOMMENDING, APPROVING, OR PROVIDING 10 A GENDER TRANSITION PROCEDURE. 11 (b) "SEX" MEANS AN INDIVIDUAL'S CLASSIFICATION AS ONE OF THE 12 ONLY TWO CLASSES OF HUMAN, MALE OR FEMALE, BASED ON THE TYPE OF 13 GAMETE THAT INDIVIDUAL HAS, HAD, WILL HAVE, OR WOULD HAVE BUT 14 FOR A CONGENITAL ANOMALY OR INTENTIONAL OR UNINTENTIONAL 15 DISRUPTION; THE CAPACITY TO PRODUCE AS DICTATED BY HIS OR HER 16 SEXUAL ANATOMY; AND WITHOUT REFERENCE TO THE INDIVIDUAL'S 17 PSYCHOLOGICAL STATE, BEHAVIOR, EXPRESSION, OR PERSONAL IDENTITY. 18 (c) (I) "YOUTH GENDER TRANSITION PROCEDURE" MEANS A 19 MEDICAL PROCESS PERFORMED BEFORE THE AGE OF TWENTY-SIX BY WHICH 20 AN INDIVIDUAL'S ANATOMY, PHYSIOLOGY, OR MENTAL STATE IS TREATED 21 OR ALTERED, INCLUDING BY THE REMOVAL OF OTHERWISE HEALTHY 22 ORGANS OR TISSUE, THE INTRODUCTION OF IMPLANTS OR PERFORMANCE 23 OF OTHER PLASTIC SURGERY, HORMONE TREATMENT, OR THE USE OF 24 DRUGS, COUNSELING, OR THERAPY, FOR THE PURPOSE OF FURTHERING OR 25 ASSISTING THE INDIVIDUAL'S IDENTIFICATION AS A MEMBER OF THE 26 OPPOSITE SEX, GROUP, OR DEMOGRAPHIC CATEGORY THAT DOES NOT 27 HB26-1128 -2- CORRESPOND TO THE INDIVIDUAL'S SEX, WHICH MAY INCLUDE: 1 (A) PRESCRIBING OR ADMINISTERING MEDICATION; 2 (B) PERFORMING A SURGERY THAT STERILIZES, INCLUDING 3 CASTRATION, VASECTOMY, HYSTERECTOMY, OOPHORECTOMY, 4 ORCHIECTOMY, AND PENECTOMY; 5 (C) PERFORMING A SURGERY THAT ARTIFICIALLY CONSTRUCTS 6 TISSUE WITH THE APPEARANCE OF GENITALIA THAT DIFFERS FROM THE 7 INDIVIDUAL'S SEX, INCLUDING METOIDIOPLASTY, PHALLOPLASTY, AND 8 VAGINOPLASTY; OR 9 (D) REMOVING ANY HEALTHY OR NONDISEASED BODY PART OR 10 TISSUE. 11 (II) "YOUTH GENDER TRANSITION PROCEDURE" DOES NOT INCLUDE 12 MALE CIRCUMCISION. MALE CIRCUMCISION IS RECOGNIZED AS BEING FOR 13 HYGIENIC OR RELIGIOUS PURPOSES AND IS NOT FOR THE PURPOSE OF 14 ATTEMPTING TO ALTER THE APPEARANCE OF OR AFFIRM AN INDIVIDUAL'S 15 PERCEPTION OF THEIR GENDER OR SEX WHEN THE ALTERED APPEARANCE 16 OR AFFIRMED PERCEPTION IS INCONSISTENT WITH THE INDIVIDUAL'S SEX. 17 (III) "YOUTH GENDER TRANSITION PROCEDURE" DOES NOT 18 INCLUDE A PROCEDURE UNDERTAKEN TO TREAT AN INDIVIDUAL BORN 19 WITH A MEDICALLY VERIFIABLE DISORDER OF SEX DEVELOPMENT, 20 INCLUDING AN INDIVIDUAL: 21 (A) BORN WITH EXTERNAL BIOLOGICAL SEX CHARACTERISTICS 22 THAT ARE AMBIGUOUS, INCLUDING AN INDIVIDUAL BORN WITH 46,XX 23 CHROMOSOMES WITH VIRILIZATION, AN INDIVIDUAL BORN WITH 46,XY 24 CHROMOSOMES WITH UNDERVIRILIZATION, OR AN INDIVIDUAL HAVING 25 BOTH OVARIAN AND TESTICULAR TISSUE; OR 26 (B) OTHERWISE DIAGNOSED WITH A DISORDER OF SEXUAL 27 HB26-1128 -3- DEVELOPMENT BY A PHYSICIAN WHEN THE PHYSICIAN HAS DETERMINED, 1 THROUGH GENETIC OR BIOCHEMICAL TESTING, THAT THE INDIVIDUAL DOES 2 NOT HAVE NORMAL SEX CHROMOSOME STRUCTURE, SEX STEROID 3 HORMONE PRODUCTION, OR SEX STEROID HORMONE ACTION. 4 (2) (a) AN ACTION BASED ON INTENTIONAL CONDUCT BROUGHT BY 5 AN INDIVIDUAL FOR RECOVERY OF DAMAGES FOR INJURY SUFFERED AS THE 6 RESULT OF A YOUTH GENDER TRANSITION PROCEDURE AGAINST THE 7 PROVIDER WHO COMMITTED THE ACT MUST BE COMMENCED BEFORE THE 8 INDIVIDUAL WHO WAS THE SUBJECT OF THE YOUTH GENDER TRANSITION 9 PROCEDURE THAT IS ALLEGED TO HAVE CAUSED THE INJURY REACHES 10 THIRTY-EIGHT YEARS OLD. 11 (b) NOTWITHSTANDING ANY OTHER STATUTE OF LIMITATIONS 12 SPECIFIED IN THIS ARTICLE 80 OR ANY OTHER PROVISION OF LAW THAT CAN 13 BE CONSTRUED TO LIMIT THE TIME PERIOD TO COMMENCE AN ACTION 14 DESCRIBED IN THIS SECTION, AN ACTION FOR RECOVERY OF DAMAGES FOR 15 LIABILITY AGAINST THE PROVIDER THAT OWED A DUTY OF CARE TO THE 16 INDIVIDUAL WHEN A WRONGFUL OR NEGLIGENT ACT BY AN EMPLOYEE, 17 OFFICER, DIRECTOR, OFFICIAL, VOLUNTEER, REPRESENTATIVE, OR AGENT 18 OF THE PROVIDER WAS A LEGAL CAUSE OF THE YOUTH GENDER TRANSITION 19 PROCEDURE THAT RESULTED IN THE INJURY TO THE INDIVIDUAL MUST BE 20 COMMENCED BEFORE THE INDIVIDUAL WHO WAS THE SUBJECT OF THE 21 YOUTH GENDER TRANSITION PROCEDURE THAT IS ALLEGED TO HAVE 22 CAUSED THE INJURY REACHES THIRTY-EIGHT YEARS OLD. 23 (3) THIS SECTION DOES NOT: 24 (a) WHOLLY OR PARTLY REPEAL, EITHER EXPRESSLY OR BY 25 IMPLICATION, ANY OTHER STATUTE THAT REGULATES OR PROHIBITS YOUTH 26 GENDER TRANSITION PROCEDURES; OR 27 HB26-1128 -4- (b) RESTRICT A POLITICAL SUBDIVISION FROM REGULATING OR 1 PROHIBITING YOUTH GENDER TRANSITION PROCEDURES IN A MANNER THAT 2 IS AT LEAST AS STRINGENT AS THE LAWS OF THIS STATE. 3 (4) (a) EVERY PROVISION, SECTION, SUBSECTION, SENTENCE, 4 CLAUSE, PHRASE, OR WORD IN THIS SECTION, AND EVERY APPLICATION OF 5 THE PROVISIONS IN THIS SECTION, IS SEVERABLE FROM EACH OTHER. IF 6 ANY APPLICATION OF ANY PROVISION IN THIS SECTION TO ANY PERSON, 7 GROUP OF PERSONS, OR CIRCUMSTANCES IS FOUND BY A COURT TO BE 8 INVALID, THE REMAINING APPLICATIONS OF THAT PROVISION TO ALL OTHER 9 PERSONS AND CIRCUMSTANCES MUST BE SEVERED AND MAY NOT BE 10 AFFECTED. ALL CONSTITUTIONALLY VALID APPLICATIONS OF THIS SECTION 11 MUST BE SEVERED FROM ANY APPLICATIONS THAT A COURT FINDS TO BE 12 INVALID, LEAVING THE VALID APPLICATIONS IN FORCE, BECAUSE IT IS THE 13 GENERAL ASSEMBLY'S INTENT AND PRIORITY THAT THE VALID 14 APPLICATIONS BE ALLOWED TO STAND ALONE. 15 (b) THE GENERAL ASSEMBLY DECLARES THAT IT WOULD HAVE 16 PASSED THIS SECTION, AND EACH PROVISION, SECTION, SUBSECTION, 17 SENTENCE, CLAUSE, PHRASE, OR WORD, AND ALL CONSTITUTIONAL 18 APPLICATIONS OF THIS SECTION, IRRESPECTIVE OF THE FACT THAT ANY 19 PROVISION, SECTION, SUBSECTION, SENTENCE, CLAUSE, PHRASE, OR WORD, 20 OR APPLICATIONS OF THIS SECTION, WERE TO BE DECLARED 21 UNCONSTITUTIONAL. IF ANY PROVISION OF THIS SECTION IS FOUND BY ANY 22 COURT TO BE UNCONSTITUTIONALLY VAGUE, THE APPLICATIONS OF THAT 23 PROVISION THAT DO NOT PRESENT CONSTITUTIONAL VAGUENESS 24 PROBLEMS MUST BE SEVERED AND REMAIN IN FORCE. 25 SECTION 2. Act subject to petition - effective date - 26 applicability. (1) This act takes effect at 12:01 a.m. on the day following 27 HB26-1128 -5- the expiration of the ninety-day period after final adjournment of the 1 general assembly (August 12, 2026, if adjournment sine die is on May 13, 2 2026); except that, if a referendum petition is filed pursuant to section 1 3 (3) of article V of the state constitution against this act or an item, section, 4 or part of this act within such period, then the act, item, section, or part 5 will not take effect unless approved by the people at the general election 6 to be held in November 2026 and, in such case, will take effect on the 7 date of the official declaration of the vote thereon by the governor. 8 (2) This act applies to claims that have not been barred as of the 9 applicable effective date of this act. 10 HB26-1128 -6-