(1) A covered entity shall designate each multi-occupancy restroom, changing room, or sleeping quarters for the exclusive use of females or males.

It is an unlawful discriminatory practice for an educational institution that operates, sponsors, or facilitates athletic programs or activities to permit a person whose sex is male to participate in an athletic program or activity that is designated for females.

Discrimination in employment. (1) It is an unlawful discriminatory practice for: (ii) for refusal to attend any training outside of the scope of employment that promotes a controversial social vision [...] "Controversial social vision" means any agenda, concept, or theory that promotes concepts, ideas, or issues that are not broadly accepted in society or that generate strong opposition by mainstream political, religious, or social groups with the various facts or theories being in dispute.

The state may not penalize or take an adverse action against a person because the person declines to: (a) identify the person's pronouns; or (b) address another person by using a name other than the other person's legal name or a derivative of the other person's legal name or by using a pronoun or a title that is inconsistent with the other person's sex.

A person commits the offense of indecent exposure in a public place when the person knowingly or purposely exposes their genitals or intimate parts to members of the opposite biological sex or opposite the person's assigned sex at birth.

A school may not allow a child to attend identity instruction unless the child's parent or guardian agrees in writing to allow the child to attend. [...] A child is excused from participating in identity instruction unless the child fails to attend after the parent or guardian has agreed in writing to allow the child's attendance.

A state or local government agency may not expend any state, local, or federal funds to promote, support, or maintain any programs that advocate for diversity, equity, and inclusion or to promote or engage in political or social activism.

Prohibition of diversity, equity, and inclusion programs in state and local government -- definition. (1) A state or local government agency may not: (a) require an employee to engage in a diversity, equity, and inclusion program; (b) spend public funds on a diversity, equity, and inclusion program; (c) spend public funds to acquire services, supplies, information technology, or goods for a diversity, equity, and inclusion program; or (d) establish, support, sustain, or employ an office or individual whose duties include coordinating, creating, developing, designing, implementing, organizing, or promoting a diversity, equity, and inclusion program.

Prohibition of diversity, equity, and inclusion programs in state and local government -- definition. (1) A state or local government agency may not: (a) require an employee to engage in a diversity, equity, and inclusion program; (b) spend public funds on a diversity, equity, and inclusion program; (c) spend public funds to acquire services, supplies, information technology, or goods for a diversity, equity, and inclusion program; or (d) establish, support, sustain, or employ an office or individual whose duties include coordinating, creating, developing, designing, implementing, organizing, or promoting a diversity, equity, and inclusion program.

The state government may not take a discriminatory action against a person that advertises, provides, or facilitates adoption or foster care services wholly or partially on the basis that the person: (a) has provided or declines to provide an adoption or foster care service or related service based on or in a manner consistent with the person's sincerely held religious belief; or (b) maintains policies and procedures in accordance with the person's sincerely held religious belief.

A minor who attends a performance in violation of 20-7-135 or a minor or adult who attends a performance of a drag queen or drag king may bring an action against a person who knowingly promotes, conducts, or participates as a performer in the performance.

An action brought by a person for damages for injuries suffered from gender transition treatment the person received as a minor must be commenced within 25 years from the date the person reaches 18 years of age or within 4 years from the time of discovery by the person of both the injury and the causal relationship between the gender transition treatment and the injury, whichever occurs later.

"Abused or neglected" [...] does not include a child who has been referred to or raised in a manner consistent with the child's biological sex, including in the making of related mental health or medical decisions.

Best interest of child. (1) The court shall determine the parenting plan in accordance with the best interest of the child. The court shall consider all relevant parenting factors, which may include but are not limited to: [...] (l) regarding a child's gender transition or intention to transition genders: (i) whether a parent has knowingly encouraged or actively supported the child's transitioning, which must be considered not in the child's best interests and be afforded similar consideration as an act of physical abuse against the child; or (ii) whether a parent has opposed the child's transitioning, which may not be considered as being against the child's best interests.

The legislature finds that menstrual products are specifically designed for individuals who experience menstruation, a biological function exclusive to females and that providing menstrual products in male-designated restrooms is unnecessary and represents an inefficient use of public funds.

A parent's opposition to a child's gender transition may not be admitted as evidence or considered as a factor in any administrative or judicial decision regarding a petition.

No flags or banners may be displayed on state property that represent a political viewpoint, including [...] sexual orientation [or] gender.

The 69th Legislature of the State of Montana believes biological boys and men should not be allowed to play girls' and women's sports.

A person, whether or not the person is supervising the welfare of the child, commits the offense of endangering the welfare of children if the person knowingly procures or provides any of the following treatments on a child less than 16 years of age for the purpose of altering the appearance of the child or affirming the child's perception of the child's sex when the appearance or perception is inconsistent with the child's biological sex: (a) surgical procedures; (b) puberty blockers or other synthetic drugs that suppress the production of hormones to delay or suppress pubertal development; or (c) supraphysiologic doses of estrogen or testosterone or other androgens.

A health care professional or physician may be found liable under subsection (1) for an injury caused by the following treatments or the after-effects of the following treatments provided to a male patient to address the patient's perception that the patient's gender or sex is not male: (i) surgical procedures, including a penectomy, orchiectomy, vaginoplasty, clitoroplasty, vulvoplasty, augmentation mammoplasty, facial feminization surgery, voice surgery, thyroid cartilage reduction, or gluteal augmentation; (ii) supraphysiologic doses of estrogen; or (iii) puberty blockers such as GnRH agonists or other synthetic drugs that suppress the production of testosterone or delay or suppress pubertal development in male minors. (5) The medical treatments listed in subsections (4)(a) and (4)(b) may be the basis of a claim under subsection (1) only when knowingly provided to address a female patient's perception that the patient's gender or sex is not female or a male patient's perception that the patient's gender or sex is not male.

A financial institution may not: (a) discriminate in the provision of financial services to a person [...] "Discriminate in the provision of financial services" means utilizing a social credit score to directly or indirectly decline to provide full and equal enjoyment in the provision of financial services, including refusing to provide, terminating, or restricting financial services. [...] "Social credit score" means any analysis, rating, scoring, list, or tabulation that evaluates any of the following: [...] (D) failure or refusal to conduct any type of racial, diversity, or gender audit or disclosure or to provide any sort of quota, preference, or benefit based, in whole or in part, on race, diversity, or gender;

The board of trustees of a school district shall develop and adopt a policy to ensure that parents have full access to information relating to their children who are enrolled in the school district, including: (a) requirements that a district employee may not withhold or conceal information from or facilitate, encourage, or coerce a child to withhold or conceal information from the child's parents about the child's: [...] (iv) purported gender identity or requests to be treated as the opposite sex;

"Female" means a member of the human species who, under normal development, has XX chromosomes and produces or would produce relatively large, relatively immobile gametes, or eggs, during her life cycle and has a reproductive and endocrine system oriented around the production of those gametes. An individual who would otherwise fall within this definition, but for a biological or genetic condition, is female. (b) "Male" means a member of the human species who, under normal development, has XY chromosomes and produces or would produce small, mobile gametes, or sperm, during his life cycle and has a reproductive and endocrine system oriented around the production of those gametes. An individual who would otherwise fall within this definition, but for a biological or genetic condition, is male.

Obergefell requires states to issue marriage licenses to same-sex couples and to recognize same-sex marriages in complete contravention of their own state constitutions and the will of their voters and thus undermines the civil liberties of those states' residents and voters;