We are planning to do asset impairment for which we created a new Depreciation Area 91 and Asset Impairment Key Z1. When we try to impair assets after assigning the new Depreciation Area 91 and the new Key Z1, the values posted in Depreciation Area 91 is not similar to Book Depreciation Area 01 values. We tried to change the useful life of the asset by giving it a value of the remaining useful life(of the original asset) and by changing the depreciation start date.
We tried to impair the asset using Transaction Code ABIF after assigning the Depreciation Area 91 and Key Z1 in the asset master.
What is the correct process to impair an asset? What should be the depreciation start dates for the impaired asset(both for Book Depreciation Area 01 and Area 91)?
What should be the useful life of the impaired asset? Is it the remaining useful life of the original asset?
Any info. would be highly appreciated.