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CFR > Title 26 - Internal Revenue > CHAPTER I—INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY > SUBCHAPTER A—INCOME TAX (Parts 1–19) > PART 1—INCOME TAXES > 1.167(b)-2—Declining balance method.

CFR

1.167(b)-2—Declining balance method.

(a) Application of method. Under the declining balance method a uniform rate is applied each year to the unrecovered cost or other basis of the property. The unrecovered cost or other basis is the basis provided by section 167(g), adjusted for depreciation previously allowed or allowable, and for all other adjustments provided by section 1016 and other applicable provisions of law. The declining balance rate may be determined without resort to formula. Such rate determined under section 167(b)(2) shall not exceed twice the appropriate straight line rate computed without adjustment for salvage. While salvage is not taken into account in determining the annual allowances under this method, in no event shall an asset (or an account) be depreciated below a reasonable salvage value. However, see section 167(f) and § 1.167(f)-1 for rules which permit a reduction in the amount of salvage value to be taken into account for certain personal property acquired after October 16, 1962. Also, see section 167(c) and § 1.167(c)-1 for restrictions on the use of the declining balance method.
(b) Illustrations. The declining balance method is illustrated by the following examples:

Code of Federal Regulations

Example 1. A new asset having an estimated useful life of 20 years was purchased on January 1, 1954, for $1,000. The normal straight line rate (without adjustment for salvage) is 5 percent, and the declining balance rate at twice the normal straight line rate is 10 percent. The annual depreciation allowances for 1954, 1955, and 1956 are as follows:
Year Basis Declining balance rate (percent) Depreciation allowance
1954 $1,000 10 $100
1955 900 10 90
1956 810 10 81

Code of Federal Regulations

Example 2. A taxpayer filing his returns on a calendar year basis maintains a group account to which a 5 year life and a 40 percent declining balance rate are applicable. Original investment, additions, retirements, and salvage recoveries are the same as those set forth in example (3) of paragraph (b) of § 1.167(b)-1 . Although salvage value is not taken into consideration in computing a declining balance rate, it must be recognized and accounted for when assets are retired. Depreciable Asset Account and Depreciation Computation Using Average Asset and Reserve Balances
Year Asset balance Jan. 1 Current additions Current retirements Asset balance Dec. 31 Average Average reserve before depreciation Net depreciable balance Rate (pct.) Allowable depreciation
1954 $12,000 $12,000 $6,000 $6,000 40 $2,400
1955 $12,000 12,000 12,000 $2,400 9,600 40 3,840
1956 12,000 12,000 12,000 6,240 5,760 40 2,304
1957 12,000 $2,000 10,000 11,000 7,644 3,356 40 1,342
1958 10,000 2,000 8,000 9,000 7,186 1,814 40 726
1959 8,000 10,000 4,000 14,000 11,000 5,212 5,788 40 2,315
1960 14,000 2,000 12,000 13,000 4,727 8,273 40 3,309
1961 12,000 2,000 10,000 11,000 6,036 4,964 40 1,986
Depreciation Reserve
Year Reserve Jan. 1 Current retirements Salvage realized Reserve Dec. 31, before depreciation Average reserve before depreciation Allowable depreciation Reserve Dec. 31, after depreciation
1954 $2,400 $2,400
1955 $2,400 $2,400 $2,400 3,840 6,240
1956 6,240 6,240 6,240 2,304 8,544
1957 8,544 $2,000 $200 6,744 7,644 1,342 8,086
1958 8,086 2,000 200 6,286 7,186 726 7,012
1959 7,012 4,000 400 3,412 5,212 2,315 5,727
1960 5,727 2,000 3,727 4,727 3,309 7,036
1961 7,036 2,000 5,036 6,036 1,986 7,022
Where separate depreciation accounts are maintained by year of acquisition and there is an unrecovered balance at the time of the last retirement, such unrecovered balance may be deducted as part of the depreciation allowance for the year of such retirement. Thus, if the taxpayer had kept separate depreciation accounts by year of acquisition and all the retirements shown in the example above were from 1954 acquisitions, depreciation would be computed on the 1954 and 1959 acquisitions as follows: 1954 Acquisitions
Year Asset balance Jan. 1 Acquisitions Current retirements Asset balance Dec. 31 Average balance Avg. reserve before depreciation Net depreciable balance Rate (percent) Allowable depreciation
1954 $12,000 $12,000 $6,000 $6,000 40 $2,400
1955 $12,000 12,000 12,000 $2,400 9,600 40 3,840
Code of Federal Regulations 1030
1956 12,000 12,000 12,000 6,240 5,760 40 2,304
1957 12,000 $2,000 10,000 11,000 7,644 3,356 40 1,342
1958 10,000 2,000 8,000 9,000 7,186 1,814 40 726
1959 8,000 4,000 4,000 6,000 5,212 788 40 315
1960 4,000 2,000 2,000 3,000 2,727 273 40 109
1961 2,000 2,000 1,000 836 164 1 164
1 Balance allowable as depreciation in the year of retirement of the last survivor of the 1954 acquisitions.
Depreciation Reserve for 1954 Acquisitions
Year Reserve Jan. 1 Current retirements Salvage realized Reserve Dec. 31, before depreciation Average reserve before depreciation Allowable depreciation Reserve Dec. 31, after depreciation
1954 $2,400 $2,400
1955 $2,400 $2,400 $2,400 3,840 6,240
1956 6,240 6,240 6,240 2,304 8,544
1957 8,544 $2,000 $200 6,744 7,644 1,342 8,086
1958 8,086 2,000 200 6,286 7,186 726 7,012
1959 7,012 4,000 400 3,412 5,212 315 3,727
1960 3,727 2,000 1,727 2,727 109 1,836
1961 1,836 2,000 (164) 836 164
1959 Acquisitions
Year Asset balance Jan. 1 Acquisition Asset balance Dec. 31 Avg. balance Reserve Dec. 31, before depreciation Net depreciable balance Rate percent Allowable depreciation Reserve Dec. 31, after depreciation
1959 $10,000 $10,000 $5,000 None $5,000 40 $2,000 $2,000
1960 $10,000 10,000 10,000 $2,000 8,000 40 3,200 5,200
1961 10,000 10,000 10,000 5,200 4,800 40 1,920 7,120
In the above example, the allowable depreciation on the 1954 acquisitions totals $11,200. This amount when increased by salvage realized in the amount of $800, equals the entire cost or other basis of the 1954 acquisitions ($12,000).
(c) Change in estimated useful life. In the declining balance method when a change is justified in the useful life estimated for an account, subsequent computations shall be made as though the revised useful life had been originally estimated. For example, assume that an account has an estimated useful life of ten years and that a declining balance rate of 20 percent is applicable. If, at the end of the sixth year, it is determined that the remaining useful life of the account is six years, computations shall be made as though the estimated useful life was originally determined as twelve years. Accordingly, the applicable depreciation rate will be 16 2/3 percent. This rate is thereafter applied to the unrecovered cost or other basis.

Code of Federal Regulations

[T.D. 6500, 25 FR 11402, Nov. 26, 1960, as amended by T.D. 6712, 29 FR 3653, Mar. 24, 1964]
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