This field is entered only if, following the account posting change, the plan has been subjected to a change of method that must be taken into account (active "Process" flag on the "Setup" tab). It is loaded with the variance management mode entered in the setup, if the following conditions are met: 1/ The depreciation method has been modified. 2/ If the start date of the asset depreciation is prior to the date of the current fiscal year start of the plan. 3/ The depreciation mode is different from: "RM" (Residual Month), "RW" (Residual Week), "RD" (Residual Days), "WU" (Working Unit) 4/ The asset is correct. It can still be modified.