Wis. Stat. § 230.148: Unclassified service reappointments.

No person may be reappointed to a position in the unclassified service in any executive branch agency except the office of the governor, within one year after the person vacated the position, at a salary in excess of the salary which the person was receiving in the position at the time he or she vacated the position unless the excess is for an across the board pay adjustment or merit pay adjustment which is authorized by the joint committee on employment relations or by the legislature and which is generally awarded to other employees in the period between the time the person vacated the position and the time of the reappointment, or unless the excess was received by the person after vacating the position and while serving for not less than 6 consecutive months in any agency in any branch of state government.