(a) In the event an existing position becomes vacant, it shall be filled by appointment with the following priorities:
(1) Recall of permanent employees who are laid off or displaced in accordance with recall procedure set forth herein.
(2) Reappointment of employees reclassified to a lower level as set forth in Civil Service Commission Rules.
(3) Promotion from the appropriate eligibility list as set forth herein.
(4) Transfer (movement from a position in one class to a similar position in the same class and grade) of permanent employees in conformance with Civil Service Commission Rules.
(5) Voluntary Demotion (movement of a permanent employee to a position in another class having a lower maximum salary rate by request of the employee) in conformance with Civil Service Commission Rules.
(6) Provisional Appointment as provided for in the Toledo Civil Service Commission Rules.
(7) Reinstatement of permanent employees in conformance with Civil Service Commission Rules.
(b) If the City intends to leave the vacancy unfilled, or intends to defer filling the vacancy until some time certain, the City shall so notify the Union within thirty (30) calendar days of the occurrence of the vacancy. Failure to comply with this provision shall require the City to fill the vacancy immediately, by a provisional or permanent appointment.