A. Members of the department shall devote their entire time and attention to police business and shall not engage in any other business or calling, except when authorized by the police chief in the following circumstances:
1. When working for an outside employer in connection with police duties, such as basketball games or special surveillance assignments; or
2. When written approval by the chief of police is specifically granted to work for an employer outside duty hours in pursuits which will not affect the time or quality of police duty or cast discredit upon, or create embarrassment for, the borough government. Such approval must be obtained in advance of employment in each case.
B. Under no circumstances may a borough police department employee who is engaged in any business, calling, or employment other than that of the police department be paid sick leave benefits by the borough while he is so engaged.