Depreciation Worksheet (Keep for your records.) Depreciation Worksheet (Keep for your records.) Summary: This is an example of a depreciation worksheet for record keeping of the information concerning the depreciation of business property as described in the text. The column headings are:Description of PropertyDate Placed in ServiceCost or Other BasisBusiness/Investment Use %Section 179 Deduction Special Allowance, and Other Basis ReductionsDepreciation Prior YearsBasis for DepreciationMethod/ConventionRecovery PeriodRate or Table %Depreciation Deduction