Every elected officer or employee of the City who shall knowingly or without proper authorization expend money or incur liability in excess of his budget allowance shall be personally liable to the City of Hamtramck for the overdraft, and it shall be the duty of the city attorney to bring action against such officer or employee for collection of such overdraft immediately upon receiving the information of the overdraft; and if the city attorney shall fail or neglect to bring said action within thirty (30) days after receiving the information, then any taxpayer of the City may bring and prosecute such action on behalf of the City. In addition to the foregoing, overdrawing a budget allowance by any elective or appointive officer shall be a cause for his removal from office.