Diagnosis
The apportionment units displayed are intended both for rental unitsand rental agreements. However, you can only edit those that areassigned to the rental agreements.

System Response
The lines that contain apportionment units for the rental unit aredisplayed here. However, they cannot be edited. Only lines that containapportionment units for rental agreements can be changed.

Procedure
Choose a line with an apportionment unit that applies to rentalagreements. You can edit the other apportionment units under therespective rental units.