Iowa Admin. Code r. 11-57.5
A permanent employee who left employment for other than just cause may be reinstated with permanent or probationary status to any class for which qualified at the discretion of an appointing authority. Reinstatement shall not require appointment from a list of eligibles. Former employees who retired and applied for retirement benefits under an eligible state retirement system or program are not eligible for reinstatement unless otherwise permitted by law.
A permanent employee who demotes may at any time be reinstated to a position in the class occupied prior to the demotion at the discretion of the appointing authority. Reinstatement shall not require appointment from a list of eligibles.
Former employees who are reinstated shall accrue vacation at the same rate as at the time they separated from state employment, and the employee's previous vacation anniversary date minus the period of separation shall be restored. This paragraph shall be effective retroactive to January 1, 1995.
Iowa Admin. Code r. 11-57.5