Notwithstanding any other provision to the contrary, beginning on the effective date of this section, the biological sex designation on a certificate of birth issued under this chapter shall either be male or female and shall not be nonbinary or any symbol representing a nonbinary designation including but not limited to the letter "X"Notwithstanding any other provision to the contrary, beginning on the effective date of this section, the biological sex designation on a certificate of birth issued under this chapter shall either be male or female and shall not be nonbinary or any symbol representing a nonbinary designation including but not limited to the letter "X"

The biological sex on a birth certificate shall only be amended for a person who has a chromosomal count that establishes the sex of the person as different than in the registered birth certificate following: (1) A written request for an amended birth certificate from the person or, if the person is a child, from the child's parent or legal guardian; or (2) A written statement by a physician that verifies the chromosomal count.