In regard to multiple job assignments, the parties agree that employees whose simultaneous, continuing appointments total fifty percent (50%) or more will be eligible to participate in the University of Minnesota Insurance Plan. To be eligible for any University subsidy to this Plan, the employee's simultaneous, continuing appointments must total seventy five (75%) or more. For purposes of this agreement, a continuing appointment has a duration of three (3) months or longer and must be expressed in terms of a percentage time appointment.