Field help (NBV) 

This field contains the net value of the asset at the date of issue from the asset base.
If the asset has an impairment loss balance on the issue date, an automatic impairment loss reversal is carried out if parameter IMLRVEISS - Issue: Impairment loss reversal has value Yes.
This impairment loss reversal increases the net value determined after depreciation calculation. This new net value is the value taken into account to determine the added value and value loss