(a) 
All department heads shall be appointed by the mayor subject to confirmation by a 2/3 majority vote of the common council.
(b) 
Subsection (a) does not apply to any department head who is designated by section 3.001 as an officer of the city.
The mayor shall establish rules and regulations for the government and discipline of all city departments. The mayor may discipline members of city departments in accordance with law.
Each city officer and department head shall certify to the correctness of the payrolls and contracts for work done or services performed within such department head's or officer's jurisdiction and deliver same to the city auditor for inspection and approval prior to payment.
All members of the police and fire departments who are required by police or fire department rules or regulations to wear a uniform shall be paid a yearly uniform allowance in a manner to be determined by the common council.