Health and Safety Code, Section 437.023 Chapter 437 of the Texas Health and Safety Code Chapter 437 of the Texas Health and Safety Code Chapter 437 of the Texas Health and Safety Code State of Texas Legislature: Statutes on Mobile Food Units Chapter 437 of the Texas Health and Safety Code Chapter 437 of the Texas Health and Safety Code Chapter 437 of the Texas Health and Safety Code Chapter 437 of the Texas Health and Safety Code