Relating to the placement of children in a detention or correctional facility according to biological sex.

HB 437 requires Texas juvenile detention and correctional facilities to place children based on their biological sex as shown on their official birth certificate or other government records. The bill mandates that facilities use a birth certificate entered near birth without non-clerical modifications, or alternative government records if the birth certificate is unavailable. It directly affects juvenile justice departments and facilities operating under Texas Family Code Chapter 51, requiring them to comply with this placement standard or risk losing facility registration. The law also prohibits fees for obtaining birth certificates for this purpose and directs facilities to consider safety needs under existing federal standards.