Depreciation rates, in general, shall be published in the instructions for filing a personal property tax return.
The depreciation rate on a specific type of tangible personal property that is not shown in the instructions for filing a personal property tax return may be obtained from the Office.
Accelerated depreciation methods shall not be used to compute the current value of the tangible personal property on the return.
D.C. Mun. Regs. tit. 9, r. 9-705