(A) In accordance with Tex. Loc. Gov't Code §§ 143.001 et seq., which was adopted by the qualified voters of this city [as originally set forth by state statute at an election held January 8, 1948], there is established a civil service system for firefighters and police officers.
('68 Code, § 8-2)
(B) Said civil service system shall be administered in accordance with Tex. Loc. Gov't Code §§ 143.001 et seq.