Section 5.14.  Compensation of employees not provided for by Charter; bona fide expenses incurred in service of city.
   (a)   The compensation of all employees and officers of the city whose compensation is not provided for herein, shall be fixed by the council within the limits of budget appropriations, and in accordance with any pay plan adopted by the council.  Compensation for officers and the adoption of a pay plan shall be by ordinance.
   (b)   Nothing contained in this section shall prohibit the payment of necessary bona fide expense incurred in service in behalf of the city.