The base method contains general control parameters the system needs for calculating depreciation. You enter the base method in a depreciation key. The base method is independent of the chart of depreciation, meaning that it does not contain any country-specific settings.

You specify the following in the base method:

If you need base methods other than those provided by SAP, define your own base methods in FI-AA Customizing. Choose Depreciation ® Valuation Methods ® Depreciation Keys ® Calculation Methods.