Procedure
You cannot use both fixtures/fittings categories andsurcharge/reduction features in a representative list of rents.
Only the details, for example "excellent fixtures/fittings", "poorfixtures/fittings" etc. are required as fixtures/fittings categories inrepresentative lists of rents in order to classify the representativelist of rents table structure.
Surcharge/reduction classes group several surcharge/ reduction featuresthat can be assigned to the rental units and are used to calculate asurcharge or reduction.