Iowa Admin. Code r. 11-57.3
If the director is unable to provide at least six applicants for a position, an appointing authority may provisionally appoint a person who meets the minimum qualifications for the class to fill the position pending the person's appointment from an eligible list.
No provisional probationary appointment shall be continued for more than 30 calendar days after the date of original appointment.
Successive provisional appointments shall not be permitted. An employee with provisional status shall not be eligible for promotion, demotion, transfer, or reinstatement to any position nor have reduction in force or appeal rights, but provisional probationary employees shall be eligible for vacation and sick leave and other employee benefits.
An employee shall receive credit for time spent in provisional status that is contiguous to the period of probationary status.
Iowa Admin. Code r. 11-57.3