No regular employee shall engage in any occupation or outside activity for compensation, which is incompatible with his employment by the City. No employee of the City shall engage in any occupation or outside activity for compensation without the prior approval of the City Manager. The approval of the City Manager may be revocable at any time. An employee engaging in any occupation or outside activity for compensation who fails to inform the City Manager of such occupation or activity may be subject to disciplinary action. It is the City’s intent that the employee shall, at all times, be physically and mentally capable to perform the duties of his position. No employee shall work at outside employment during the eight-hour period immediately preceding his scheduled reporting time for the City employment. [Ord. 1306 § 64, 1968; Code 1970 § 2.42.500.]