No officer or employee of the city shall have a financial interest, direct or indirect, in any contract with the city, or be financially interested, directly or indirectly in the sale to the city of any land, materials, supplies or services except on behalf of the city as an officer or employee. Any violation of this section shall render the contract or sale void, and any employee or officer so violating this section shall thereby forfeit his office or employment.

(Code 1964, § 2.620)

     Charter reference(s)--Similar provisions, § 156.