Senate Bill 704 has been filed by Senator Watson.
https://capitol.texas.gov/BillLookup/History.aspx?LegSess=86R&Bill=SB704
Also House Bill 1564 (a companion bill) has been filed by Representative Hinojosa.
https://capitol.texas.gov/BillLookup/History.aspx?LegSess=86R&Bill=HB1564