Sec. 13-7. - Contracts, etc., entered into contrary to section 13-6 to be void, etc.; penalty for violation of section 13-6.

Any contract, agreement or obligation entered into contrary to the provisions of section 6 of this article shall be void, and no person shall have any claim or demand whatever against the City thereunder. Any City officer or employee found guilty of a willful violation of said provisions shall forfeit his or her office or position.