Field help (CCNCADDEV) 

This field, not modifiable, displays the amount of the caducity variance, that will be used for the calculation of the caducity addition. It is calculated in the following way:
Basis of the renewing asset industrial plan – sum of the industrial plan bases of the fixed assets to be renewed + sum of the caducity variances of the assets to be renewed – total (addition of caducity E-1 + addition of caducity E) present on the fixed assets to be renewed.