Text of NM HB 559 (2025)
Gender Identity & Child Custody
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As introduced
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HOUSE BILL 559
57TH LEGISLATURE - STATE OF NEW MEXICO - FIRST SESSION, 2025
INTRODUCED BY
John Block and Rebecca Dow
AN ACT
RELATING TO CHILD CUSTODY; AMENDING THE NMSA 1978 TO PROHIBIT A
COURT FROM CONSIDERING A PARENT'S AFFIRMATION OF THE PARENT'S
CHILD'S GENDER IDENTITY FOR PURPOSES OF CUSTODY; PROHIBITING A
COURT FROM DETERMINING CUSTODY OF A CHILD BASED ON CERTAIN
PARENTAL DECISIONS RELATED TO THE CHILD'S GENDER IDENTITY OR
GENDER AFFIRMATION; PROVIDING DEFINITIONS.
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF NEW MEXICO:
SECTION 1. Section 40-4-9 NMSA 1978 (being Laws 1977,
Chapter 172, Section 1) is amended to read:
"40-4-9. STANDARDS FOR THE DETERMINATION OF CHILD
CUSTODY--PROHIBITED CONSIDERATIONS--GENDER AFFIRMATION--GENDER
IDENTITY--PROHIBITED DETERMINATIONS--DEFINITIONS--HEARING.--
A. In any case in which a judgment or decree will
be entered awarding the custody of a minor, the district court
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shall, if the minor is under the age of fourteen, determine
custody in accordance with the best interests of the child.
The court shall consider all relevant factors, including but
not limited to:
(1) the wishes of the child's parent or
parents as to [his] the child's custody;
(2) the wishes of the child as to [his] the
child's custodian;
(3) the interaction and interrelationship of
the child with [his] the child's parents [his] and siblings and
any other person who may significantly affect the child's best
interest;
(4) the child's adjustment to [his] the
child's home, school and community; and
(5) the mental and physical health of all
individuals involved.
B. In awarding custody of a minor pursuant to
Subsection A of this section, the court shall not:
(1) consider a parent's gender affirmation of
the parent's child's gender identity when the child's gender
identity is incongruent with the child's sex;
(2) consider a parent's decision to not affirm
a child's gender identity or a parent's decision to not provide
gender-affirming health care or gender-affirming mental health
care for the parent's child; and
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(3) determine that a parent's decision not to
provide gender-affirming health care or gender-affirming mental
health care for the parent's child is:
(a) detrimental to the child's health,
safety and welfare;
(b) an inadequate provision for the
child's needs, care or nurturance consistent with the child's
physical and psychological development;
(c) abuse, as defined in the Abuse and
Neglect Act;
(d) a lack of a safe environment;
(e) inadequate provision of health care;
(f) inadequate guidance;
(g) a lack of moral fitness;
(h) a detrimental attitude toward the
child;
(i) an inability for the parent to
foster a positive, loving relationship with the child; or
(j) an inability for the parent to bond
with the child.
[B.] C. If the minor is fourteen years of age or
older, the court shall consider the desires of the minor as to
with whom [he] the minor wishes to live before awarding custody
of [such] the minor.
[C.] D. Whenever testimony is taken from the minor
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concerning [his] the minor's choice of custodian, the [court]
judge shall hold a private hearing in [his] the judge's
chambers. The judge shall have a court reporter in [his] the
judge's chambers who shall transcribe the hearing; however, the
court reporter shall not file a transcript unless an appeal is
taken.
E. As used in this section:
(1) "gender affirmation" means acknowledgment,
acceptance or support, whether verbal, emotional, financial,
physical or otherwise, of a person's self-defined gender
identity. "Gender affirmation" includes:
(a) referring to a person by any
pronouns other than those congruent with the person's sex; or
(b) facilitating access for a person to
gender-affirming health care or gender-affirming mental health
care;
(2) "gender-affirming health care" means
medical care that is prescribed in support of and based on a
patient's gender identity as defined by the patient and may
include one or more of the following:
(a) guidance or treatment to foster
social transitioning;
(b) interventions to suppress the
development of endogenous secondary sex characteristics; or
(c) interventions to align the patient's
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appearance or physical body with the patient's self-defined
gender identity;
(3) "gender-affirming mental health care"
means a mental health care or behavioral health care approach
or treatment based on the gender identity of a patient, as
defined by the patient, and may include developmental
exploration and integration of identity or adaptive coping and
strategies to induce family or social acceptance of the
patient's gender identity;
(4) "gender identity" means a person's
self-defined, internal sense of that person's gender,
self-image, appearance, behavior or expression, which may be
different from the person's sex and which may be male, female,
neither or a combination; and
(5) "sex" means the biological indication of
male or female in the context of reproductive capacity,
including sex chromosomes, naturally occurring sex hormones,
gonads and unambiguous internal and external genitalia present
at birth and including secondary sex characteristics without
regard to a person's psychological, chosen or subjective
experience of gender."
SECTION 2. EFFECTIVE DATE.--The effective date of the
provisions of this act is July 1, 2025.
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