SECTION 2. BACKGROUND

.01 Prior to the enactment of the SBJA, § 168(k)(1) allowed a 50-percent additional first year depreciation deduction for qualified property acquired by a taxpayer after 2007 and placed in service by the taxpayer before 2010 (before 2011 in the case of property described in § 168(k)(2)(B) and (C)). Section 2022(a) of the SBJA amends § 168(k)(2) by extending the placed-in-service date to before 2011 (before 2012 in the case of property described in § 168(k)(2)(B) and (C)), and extending other dates in § 168(k)(2) from “January 1, 2010” to “January 1, 2011” (for example, the self-constructed property

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constructing, manufacturing, or producing that property (as determined under § 1.168(k)–1(b)(4)(iii)(B)). If a taxpayer enters into a written binding contract (as defined in § 1.168(k)–1(b)(4)(ii)) after September 8, 2010, and before January 1, 2012, to acquire (including to manufacture, construct, or produce) qualified property described in § 168(k)(2)(B) or (C), the property will be treated as having met the acquisition requirement of this section 3.02(1)(a). See section 3.02(2) of this revenue procedure for additional rules applicable to self-constructed property.

(b) The taxpayer places the qualified property in service after September 8, 2010, and before January 1, 2012 (before January 1, 2013, in the case of qualified property described in § 168(k)(2)(B) or (C)). For this purpose, rules similar to the rules in § 1.168(k)–1(b)(5) apply. However, in applying § 1.168(k)–1(b)(5)(ii), “December 31, 2007” is substituted for “September 10, 2001.”

(c) The original use of the qualified property commences with the taxpayer after September 8, 2010. For this purpose, rules similar to the rules in § 1.168(k)–1(b)(3) apply. However, in applying § 1.168(k)–1(b)(3)(i), “September 8, 2010” is substituted for “September 10, 2001” and, in applying § 1.168(k)–1(b)(3)(iii), “December 31, 2007” is substituted for “September 10, 2001.” (2) Self-constructed property . (a) Application of § 1.168(k)–1(b)(4)(iii) . If a taxpayer manufactures, constructs, or produces qualified property for use by the taxpayer in its trade or business or for its production of income, rules similar to the self-constructed property rules in § 1.168(k)–1(b)(4)(iii) apply for determining whether this property meets the acquisition requirement of section 3.02(1)(a) of this revenue procedure. However, see section 3.02(2)(b) of this revenue procedure for a limited exception for certain components of a larger self-constructed property. Further, in applying § 1.168(k)–1(b)(4)(iii)(C)( 1 ) solely for purposes of § 168(k)(5), an acquired component that is qualified property is not required to be acquired pursuant to a written binding contract (as defined in § 1.168(k)–1(b)(4)(ii)) to satisfy the acquisition requirement of section 3.02(1)(a)

solely for purposes of § 168(k)(5). Accordingly, the Treasury Department and the Internal Revenue Service (“the Service”) will allow, solely for purposes of § 168(k)(5), a limited exception to this rule in §§ 1.168(k)–1(b)(4)(iii)(C)( 1 ) and ( 2 ) for certain components. See section 3.02(2)(b) of this revenue procedure for this limited exception.

.05 Section 168(k)(2)(D)(iii) provides that a taxpayer may elect not to deduct additional first year depreciation for any class of property placed in service by the taxpayer during the taxable year. The term “class of property” is defined in § 1.168(k)–1(e)(2)(i) to mean, in general, each class of property described in § 168(e) (for example, 5-year property). If the taxpayer makes this election, it applies to all qualified property that is in the same class and placed in service in the same taxable year. This revenue procedure provides a limited exception for a taxpayer to elect the 50-percent, instead of the 100-percent, additional first year depreciation deduction for certain qualified property placed in service by the taxpayer in its taxable year that includes September 9, 2010 (see section 4.02 of this revenue procedure). Section 4.03 of this revenue procedure specifies the time and manner for making this election.

.06 Section 1.168(k)–1(e)(3)(i) provides that the election not to deduct additional first year depreciation must be made by the due date (including extensions) of the federal tax return for the taxable year in which the taxpayer places the property in service. Section 1.168(k)–1(e)(3)(ii) provides that this election generally must be made in the manner prescribed on Form 4562, “Depreciation and Amortization,” and its instructions. The instructions to Form 4562 for the 2009 and 2010 taxable years provide that the election is made by attaching a statement to the taxpayer’s timely filed tax return indicating that the taxpayer is electing not to deduct the additional first year depreciation and the class of property for which the taxpayer is making the election. Section 1.168(k)–1(e)(7)(i) provides that once the election is made, it generally may be revoked only with the written consent of the Commissioner of Internal Revenue. Some taxpayers with a taxable year beginning in 2009 and ending in 2010 that filed their 2009 federal tax returns before

the enactment of the SBJA are uncertain how to claim or not claim the 50-percent additional first year depreciation for qualified property placed in service after December 31, 2009, in taxable years ending in 2010. Section 5 of this revenue procedure provides the procedures for claiming or not claiming the 50-percent additional first year depreciation for this property.

SECTION 3. 100-PERCENT ADDITIONAL FIRST YEAR DEPRECIATION DEDUCTION

.01 In General . Depreciable property is eligible for the 100-percent additional first year depreciation deduction if the property is qualified property (as defined in § 168(k)(2), as amended by the SBJA and the TRUIRJCA) and also meets the additional requirements in section 3.02 of this revenue procedure. For purposes of determining whether depreciable property is qualified property, rules similar to the rules in § 1.168(k)–1 for “qualified property” or for “30-percent additional first year depreciation deduction” apply.

.02 Application of Additional Requirements and Revised Dates .

(1) In general . For purposes of § 168(k)(5), qualified property is eligible for the 100-percent additional first year depreciation deduction if the property meets all of the following additional requirements in the first taxable year in which the property is subject to depreciation by the taxpayer, whether or not depreciation deductions for that property are allowable:

(a) The taxpayer acquires the qualified property after September 8, 2010, and before January 1, 2012 (before January 1, 2013, in the case of qualified property described in § 168(k)(2)(B) or (C)). Solely for purposes of § 168(k)(5) and this section 3.02(1)(a), a taxpayer acquires the qualified property when the taxpayer pays or incurs the cost of the property. Qualified property that a taxpayer manufactures, constructs, or produces (as defined under § 1.168(k)–1(b)(4)(iii)(A) and modified by this section 3.02(1)(a) solely for purposes of § 168(k)(5)) for use in its trade or business or for its production of income is acquired by the taxpayer for purposes of § 168(k)(5) and this section 3.02(1)(a) when the taxpayer begins

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(v) “December 31, 2012” is substituted for “December 31, 2005;” and

(vi) “January 1, 2013” is substituted for “January 1, 2006.”

(b) Limitation of amount of de- preciation for certain passenger au- tomobiles . For purposes of applying § 1.168(k)–1(f)(8) to passenger automobiles (as defined in § 280F(d)(5)), the limitation under § 280F(a)(1)(A)(i) is increased by $8,000 for a passenger automobile that is eligible for the 100-percent additional first year depreciation deduction.

(2) Property described in § 168(k)(2)(B) . For property that is qualified property solely by reason of § 168(k)(2)(B)(i) and that is eligible for the 100-percent additional first year depreciation deduction, only the property’s adjusted basis attributable to the manufacture, construction, or production before January 1, 2013, is eligible for the 100-percent additional first year depreciation deduction. Section 168(k)(2)(B)(ii).

(3) Qualified restaurant property and qualified retail improvement property . Qualified property that meets the definition of both qualified leasehold improvement property (as defined in §§ 168(e)(6), 168(k)(3), and 1.168(k)–1(c)) and qualified restaurant property (as defined in § 168(e)(7)) or qualified retail improvement property (as defined in § 168(e)(8)) is eligible for the 50-percent or 100-percent additional first year depreciation deduction (assuming all other requirements in § 168(k) are met). For example, if in 2011 a taxpayer constructs and places in service qualified property that is an improvement to a restaurant building and that improvement meets the definition of both qualified restaurant property and qualified leasehold improvement property, the improvement is eligible for the 100-percent additional first year depreciation deduction (assuming all other requirements in § 168(k) are met). However, if in 2011 a taxpayer constructs and places in service a new restaurant building, that building is not qualified leasehold improvement property and is not eligible for any additional first year depreciation deduction.

(4) Mid-quarter convention . The depreciable basis (as defined in § 1.168(d)–1(b)(4)) of qualified property that is eligible for any additional first year depreciation deduction is taken

of this revenue procedure. For purposes of the additional first year depreciation deduction, the term “component” is intended to refer to any part used in the manufacture, construction, or production of the larger self-constructed property, which may or may not be the same as the asset for depreciation purposes or the same as the unit of property for purposes of other Code sections.

(b) Limited exception for components acquired or self-constructed after Septem- ber 8, 2010, and before January 1, 2012, when the manufacture, construction, or production of larger self-constructed prop- erty begins before September 9, 2010 . Solely for purposes of § 168(k)(5) and section 3.02(1)(a) of this revenue procedure, the Treasury Department and the Service will allow a limited exception to the rule described in section 2.04 of this revenue procedure for the components described in this section 3.02(2)(b). If before September 9, 2010, a taxpayer begins the manufacture, construction, or production of the larger self-constructed property that is qualified property for use in its trade or business or for its production of income, but this larger self-constructed property meets the requirements of sections 3.02(1)(b) and (c) of this revenue procedure, the taxpayer may elect to treat any acquired or self-constructed component of that larger self-constructed property as being eligible for the 100-percent additional first year depreciation deduction if the component is qualified property and is acquired or self-constructed by the taxpayer after September 8, 2010, and before January 1, 2012 (before January 1, 2013, in the case of qualified property described in § 168(k)(2)(B) or (C)). The taxpayer may make this election for one or more components that are described in this section 3.02(2)(b). The taxpayer must make the election in this section 3.02(2)(b) by the due date (including extensions) of the federal tax return for the taxpayer’s taxable year in which the larger self-constructed property is placed in service by the taxpayer, and by attaching a statement to that return indicating that the taxpayer is making the election provided in section 3.02(2)(b) of Rev. Proc. 2011–26 and whether the taxpayer is making the election for all or some of the components described in section 3.02(2)(b) of Rev. Proc. 2011–26.

If a taxpayer has timely filed its federal tax return for the taxpayer’s taxable year in which the larger self-constructed property is placed in service by the taxpayer on or before April 18, 2011, see § 301.9100–2(b) of the Procedure and Administration Regulations for an automatic extension of 6 months from the due date of that federal return (excluding extensions) to make the election specified in this section 3.02(2)(b). (3) Disqualified transactions . A rule similar to the rule in § 168(k)(2)(E)(iv) applies for determining whether qualified property fails the acquisition requirement of section 3.02(1)(a) of this revenue procedure. Solely for purposes of § 168(k)(5):

(a) Section 168(k)(2)(E)(iv)(I) and (II) is applied by substituting “September 8, 2010” for “December 31, 2007;” (b) Section 1.168(k)–1(b)(4)(iv)(A) is applied by substituting “September 9, 2010” for “September 11, 2001;” and (c) In determining when the qualified property was originally placed in service for purposes of § 1.168(k)–1(b)(4)(iv), this determination includes the operation of § 1.168(k)–1(b)(5)(ii) as modified by section 3.02(1)(b) of this revenue procedure, § 1.168(k)–1(b)(5)(iii), and § 1.168(k)–1(b)(5)(iv).

.03 Special Rules . (1) Application of § 1.168(k)–1(f) . (a) In general . Solely for purposes of § 168(k)(5), the rules of § 168(k)–1(f) apply to depreciable property that is qualified property and that also meets the requirements of section 3.02 of this revenue procedure. For example, for purposes of the redetermination of basis rules of § 1.168(k)–1(f)(2), the 100-percent additional first year depreciation deduction applies to the increase or decrease in basis of qualified property if the underlying property is eligible for the 100-percent additional first year depreciation deduction. In addition, in applying § 1.168(k)–1(f) for purposes of § 168(k)(5), the taxpayer should make the following substitutions:

(i) “September 8, 2010” is substituted for “September 10, 2001;”

(ii) “January 1, 2012” is substituted for “May 6, 2003;”

(iii) “December 31, 2011” is substituted for “December 31, 2004;”

(iv) “January 1, 2012” is substituted for “January 1, 2005;”

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under section 3.03(5)(c)(ii)(A) of this revenue procedure.

(C) If there is any unrecovered basis for the passenger automobile in its placed-in-service year (as determined under section 3.03(5)(c)(ii)(B) of this revenue procedure), the taxpayer will determine the depreciation deductions for the passenger automobile for the taxable years subsequent to the placed-in-service year as though the taxpayer claimed the 50-percent, instead of the 100-percent, additional first year depreciation for the passenger automobile, subject to the limitation amounts under § 280F(a)(1)(A). Accordingly, for purposes of § 1.168(k)–1(d)(2), the remaining adjusted depreciable basis of the passenger automobile is equal to its unadjusted depreciable basis reduced by the amount of the 50-percent additional first year depreciation deemed allowed or allowable, whichever is greater, for the passenger automobile.

(D) If there is no unrecovered basis for the passenger automobile in its placed-in-service year (as determined under section 3.03(5)(c)(ii)(B) of this revenue procedure), the taxpayer will determine the depreciation deduction for the passenger automobile for any 12-month taxable year subsequent to the placed-in-service year by multiplying the adjusted depreciable basis (as defined in § 1.168(b)–1(a)(4)) of the passenger automobile by the applicable depreciation rate for each taxable year (as determined under sections 6.03, 6.04, 6.05, and 6.06 of Rev. Proc. 87–57, 1987–2 C.B. 687, 692). If any taxable year is less than 12 months, the depreciation deduction determined under this section 3.03(5)(c)(ii)(D) must be adjusted for a short taxable year (for further guidance, see Rev. Proc. 89–15, 1989–1 C.B. 816). The taxpayer must not use the optional depreciation tables for computing the depreciation deductions for the passenger automobile. For purposes of determining the applicable depreciation rate, the applicable depreciation method is the method under § 168(b), and the applicable convention is the convention under § 168(d), that would apply in the placed-in-service year for the passenger automobile had the taxpayer claimed the 50-percent additional first year depreciation deduction.

into account in determining whether the mid-quarter convention applies to the property placed in service during the taxable year.

(5) Coordination with other Code sec- tions .

(a) Tax credits and section 1603 pay- ments . Except for the rehabilitation credit under § 47, the 100-percent additional first year depreciation deduction is determined for qualified property eligible for the 100-percent additional first year depreciation deduction after the reduction to the property’s basis by the amount of any credits claimed for the property that require an adjustment to basis (for example, the disabled access credit under § 44 or the energy credit under § 48) or any payments received for specified energy property under § 1603 of the American Recovery and Reinvestment Tax Act of 2009, Division B, Pub. L. 111–5, 123 Stat. 115 (section 1603 payments). For the treatment of the rehabilitation credit and the 100-percent additional first year depreciation deduction, a rule similar to the rule in § 1.168(k)–1(f)(10) applies.

(b) Application of § 50(d)(5) . For purposes of applying § 50(d)(5), the shortest recovery period under § 168 that is applicable to qualified property eligible for the 100-percent additional first year depreciation deduction is the recovery period assigned to that property under § 168(c).

(c) Section 280F(a) limitations on pas- senger automobiles .

(i) In general . If the unadjusted depreciable basis (as defined in § 1.168(b)–1(a)(3)) of a passenger automobile (as defined in § 280F(d)(5)) that is qualified property eligible for the 100-percent additional first year depreciation deduction exceeds the first year limitation amount under § 280F(a)(1)(A)(i), the excess amount is the unrecovered basis of the passenger automobile for purposes of § 280F(a)(1)(B)(i) and, therefore, is treated as a deductible expense in the first taxable year succeeding the end of the recovery period subject to the limitation under § 280F(a)(1)(B)(ii). For example, if a calendar-year taxpayer places in service in December 2010 a passenger automobile that cost $20,000, is not a truck or van, and is eligible for the 100-percent additional first year depreciation deduction, the 100-percent additional first year depreciation deduction for this property is limited

to $11,060 under § 280F(a)(1)(A)(i) (see Table 7 of Rev. Proc. 2011–21, 2011–12 I.R.B. 560) and the excess amount of $8,940 is recovered by the taxpayer beginning in taxable year 2016, subject to the limitation under § 280F(a)(1)(B)(ii).

(ii) Safe harbor method of accounting . To mitigate the anomalous result that occurs in the taxable years subsequent to the placed-in-service year and before the first taxable year succeeding the end of the recovery period for a passenger automobile that is qualified property eligible for the 100-percent additional first year depreciation deduction, the Treasury Department and the Service are providing a safe harbor method of accounting under this section 3.03(5)(c)(ii). A taxpayer adopts this safe harbor method of accounting by applying it to deduct depreciation of its passenger automobile (as defined in § 280F(d)(5)) on its federal tax return for the first taxable year succeeding the placed-in-service year of the passenger automobile. For a taxpayer with a passenger automobile that has an unadjusted depreciable basis exceeding the first year limitation amount under § 280F(a)(1)(A)(i) and that is qualified property eligible for the 100-percent additional first year depreciation, the safe harbor method of accounting operates as follows:

(A) In the placed-in-service year of the passenger automobile, the taxpayer will deduct the lesser of the 100-percent additional first year depreciation for the passenger automobile or the first year limitation amount under § 280F(a)(1)(A)(i). See Rev. Proc. 2011–21, 2011–12 I.R.B. 560, for the first year limitation amount under § 280F(a)(1)(A)(i) for a passenger automobile placed in service in 2010 or 2011 if either the 50-percent or 100-percent additional first year depreciation deduction applies.

(B) Next, the taxpayer will determine the unrecovered basis of the passenger automobile for its placed-in-service year as though the taxpayer claimed the 50-percent, instead of the 100-percent, additional first year depreciation for the passenger automobile. For this purpose, the unrecovered basis is equal to the depreciation that would be allowable for the passenger automobile had the taxpayer claimed the 50-percent additional first year depreciation deduction less the amount determined

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.04 Examples . (1) Example 1 — Acquired property and self-con- structed property not eligible for the 100-percent ad- ditional first year depreciation deduction . In June 2008, X began constructing an electric generation power plant for its own use. In February 2009, prior to the completion of the power plant, X and Y (an unrelated party) entered into a written binding contract under which X transferred the rights to own and use this power plant to Y for $2 million. On March 1, 2009, Y began construction to complete the power plant. Between March 2009 and August 2010, Y incurred another $10 million to complete the construction of the power plant. This $10 million includes amounts for acquired components that were acquired by Y pursuant to written binding contracts entered into after March 1, 2009, and for self-constructed components, the construction, manufacturing, or production of which began after March 1, 2009. Y completed construction of the power plant in August 2010. On October 1, 2010, Y placed the power plant in service. The power plant is included in asset class 49.13 of Rev. Proc. 87–56, 1987–2 C.B. 674, and has a recovery period of 20 years under § 168(c).

First, Y must determine if the power plant is qualified property and if its components are qualified property. Y acquired the $2 million portion of the total $12 million unadjusted depreciable basis pursuant to a written binding contract entered into after December 31, 2007. Further, Y began construction to complete the power plant after December 31, 2007, and all of its components were self-constructed beginning, or acquired pursuant to written binding contracts entered into, after December 31, 2007. Also, the original use of the power plant began with Y after December 31, 2007, and Y placed the power plant in service before January 1, 2014 (the power plant is property described in § 168(k)(2)(B)). Thus, the power plant is qualified property and all of its components are qualified property.

Y must next determine if the power plant and any of its components are eligible for the 100-percent additional first year depreciation deduction. Because X and Y are not related parties, the transaction between X and Y will not be a disqualified transaction pursuant to § 1.168(k)–1(b)(4)(iv), as modified by section 3.02(3) of this revenue procedure. Although the original use of the power plant began with Y after September 8, 2010, and Y placed the power plant in service after September 8, 2010, and before January 1, 2013 (the power plant is property described in § 168(k)(2)(B)), the power plant does not meet the acquisition rule in § 168(k)(5) and section 3.02(1)(a) of this revenue procedure. Y acquired the $2 million portion of the total $12 million unadjusted depreciable basis before September 9, 2010. Further, Y began construction to complete the power plant before September 9, 2010, and Y acquired or self-constructed all of the components to complete the construction of the power plant before September 9, 2010. Accordingly, Y’s total expenditures of $12 million for the power plant do not qualify for the 100-percent additional first year depreciation deduction. Instead, Y’s total expenditures of $12 million for the power plant qualify for the 50-percent additional first year depreciation deduction.

(2) Example 2 — Acquired property and self-con- structed property partially eligible for the 100-per-

cent additional first year depreciation deduction . In August 2009, X began constructing an electric generation power plant for its own use. On September 1, 2010, prior to the completion of the power plant, X and Y (an unrelated party) entered into a written binding contract and X transferred the rights to own and use this power plant to Y for $5 million. On September 15, 2010, Y began construction to complete the power plant. Between September 15, 2010, and November 2011, Y incurred another $10 million to complete the construction of the power plant. This $10 million includes amounts for acquired components that were acquired by Y after September 15, 2010, and for self-constructed components, the construction, manufacturing, or production of which began after September 15, 2010. All acquired components to complete the construction of the power plant were acquired by Y pursuant to written binding contracts entered into after September 1, 2010. Y completed construction of the power plant in November 2011. On December 15, 2011, Y placed the power plant in service. The power plant is included in asset class 49.13 of Rev. Proc. 87–56, and has a recovery period of 20 years under § 168(c).

First, Y must determine if the power plant is qualified property and if its components are qualified property. Y acquired the $5 million portion of the total $15 million unadjusted depreciable basis pursuant to a written binding contract entered into after December 31, 2007. Further, Y began construction to complete the power plant after December 31, 2007, and all of its components were self-constructed beginning, or acquired pursuant to written binding contracts entered into, after December 31, 2007. Also, the original use of the power plant began with Y after December 31, 2007, and Y placed the power plant in service before January 1, 2014 (the power plant is property described in § 168(k)(2)(B)). Thus, the power plant and its components are qualified property.

Y must next determine if the power plant and any of its components are eligible for the 100-percent additional first year depreciation deduction. X and Y are not related parties; therefore, the transaction between X and Y will not be a disqualified transaction pursuant to § 1.168(k)–1(b)(4)(iv), as modified by section 3.02(3) of this revenue procedure. Although the original use of the power plant began with Y after September 8, 2010, and Y placed the power plant in service after September 8, 2010, and before January 1, 2013 (the power plant is property described in § 168(k)(2)(B)), not all of Y’s total expenditures of $15 million qualify for the 100-percent additional first year depreciation deduction. Given that Y acquired the $5 million portion of the total $15 million unadjusted depreciable basis before September 9, 2010, that portion qualifies only for the 50-percent additional first year depreciation deduction. However, because Y began construction to complete the power plant after September 8, 2010, and Y acquired or began self-constructing all of the components to complete the construction of the power plant after September 8, 2010, the $10 million portion of the total $15 million unadjusted depreciable basis qualifies for the 100-percent additional first year depreciation deduction.

(3) Example 3 — Component election made . X, a calendar-year taxpayer, began constructing a ship for its own use in March 2010. Between March 2010 and June 2012, X incurred $25 million to complete the construction of the ship. This $25 million includes $15 million for acquired components that were acquired by X after September 8, 2010, and before January 1, 2013, and for self-constructed components, the construction, manufacturing, or production of which began after September 8, 2010, and before January 1, 2013 (the ship is property described in § 168(k)(2)(B)). All acquired components of the ship were acquired by X pursuant to written binding contracts entered into after March 2010. The original use of all components of the ship commences with X. X completed construction of the ship in June 2012, and placed it in service in August 2012. On its 2012 federal tax return, X makes the election provided under section 3.02(2)(b) of this revenue procedure. The ship is included in asset class 00.28 of Rev. Proc. 87–56, and has a recovery period of 10 years under § 168(c).

First, X must determine if the ship is qualified property and if its components are qualified property. X began construction of the ship after December 31, 2007, and all of its components were self-constructed beginning, or acquired pursuant to written binding contracts entered into, after December 31, 2007. Also, the original use of the ship began with X after December 31, 2007, and X placed the ship in service before January 1, 2014 (the ship is property described in § 168(k)(2)(B)). Thus, the ship and its components are qualified property.

X must next determine if the ship and any of its components are eligible for the 100-percent additional first year depreciation deduction. Although the original use of the ship began with X after September 8, 2010, and X placed the ship in service after September 8, 2010, and before January 1, 2013 (the ship is property described in § 168(k)(2)(B)), not all of X’s total expenditures of $25 million qualify for the 100-percent additional first year depreciation deduction. X began construction of the ship before September 9, 2010, but made the election provided under section 3.02(2)(b) of this revenue procedure. As a result, the $15 million portion (of the total $25 million unadjusted depreciable basis for the ship) incurred for the components that were acquired or self-constructed by X after September 8, 2010, and before January 1, 2013, qualifies for the 100-percent additional first year depreciation deduction. The remaining $10 million portion of the total $25 million unadjusted depreciable basis qualifies only for the 50-percent additional first year depreciation deduction.

(4) Example 4 — Component election not made . The facts are the same as in Example 3, except X did not make the election provided under section 3.02(2)(b) of this revenue procedure on its 2012 federal tax return. As a result, X’s total expenditures of $25 million for the ship do not qualify for the 100-percent additional first year depreciation deduction. Although the original use of the ship began with X after September 8, 2010, and X placed the ship in service after September 8, 2010, and before January 1, 2013 (the ship is property described in § 168(k)(2)(B)), the ship does not meet the acquisition rule in § 168(k)(5) and section 3.02(1)(a) of this revenue procedure because X began construction of the ship before September 9, 2010. Accordingly,

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X’s total expenditures of $25 million for the ship qualify only for the 50-percent additional first year depreciation deduction.

(5) Example 5 — Application of § 280F(a) safe harbor method of accounting when there is unrecov- ered basis . In December 2010, X, a calendar-year taxpayer, purchased and placed in service for use in its business a new passenger automobile that cost $20,000. The passenger automobile is not a truck or van, is 5-year property under § 168(e), and is eligible for the 100-percent additional first year depreciation deduction. X does not claim any § 179 deduction for the passenger automobile. For 2010, X deducts $11,060 for the 100-percent additional first year depreciation for this property, which is the depreciation limitation for 2010 under § 280F(a)(1)(A)(i) (see Table 7 in Rev. Proc. 2011–21). X adopts the safe harbor method of accounting provided in section 3.03(5)(c)(ii) of this revenue procedure. Under the safe harbor method of accounting, X is deemed to have claimed the 50-percent additional first year depreciation deduction for purposes of determining the unrecovered basis and the remaining adjusted depreciable basis of the passenger automobile. Accordingly, for 2010, the total depreciation allowable for the passenger automobile is deemed to be $12,000 [(50 percent multiplied by unadjusted depreciable basis of $20,000) + (20 percent multiplied by the remaining adjusted depreciable basis of $10,000)]. Thus, the unrecovered basis for the passenger automobile for 2010 is $940 ($12,000 deemed depreciation allowable less the $11,060 depreciation deduction for 2010) and that amount is recovered by X beginning in the 2016 taxable year, subject to the limitation under § 280F(a)(1)(B)(ii).

For 2011, the total depreciation allowable for the passenger automobile is deemed to be $3,200 (32 percent multiplied by the remaining adjusted depreciable basis of $10,000). Because this amount is less than the depreciation limitation of $4,900 for 2011 (see Table 7 in Rev. Proc. 2011–21), X deducts $3,200 as depreciation on its federal income tax return for the 2011 taxable year. (6) Example 6 — Application of § 280F(a) safe harbor method of accounting when there is no un- recovered basis . The facts are the same as in Ex- ample 5, except the cost of the passenger automobile is $18,400. For 2010, X deducts $11,060 for the 100-percent additional first year depreciation for this property, which is the depreciation limitation for 2010 under § 280F(a)(1)(A)(i) (see Table 7 in Rev. Proc. 2011–21). Under the safe harbor method of accounting, X is deemed to have claimed the 50-percent additional first year depreciation deduction for purposes of determining the unrecovered basis and the remaining adjusted depreciable basis of the passenger automobile. As a result, for 2010, the total depreciation allowable for the passenger automobile is deemed to be $11,040 [(50 percent multiplied by unadjusted depreciable basis of $18,400) + (20 percent multiplied by the remaining adjusted depreciable basis of $9,200)]. Thus, there is no unrecovered basis for the passenger automobile for 2010 because the 2010 deemed depreciation allowable of $11,040 is less than the 2010 depreciation deduction of $11,060.

Pursuant to section 3.03(5)(c)(ii)(D) of this revenue procedure, X must not use the optional depreciation tables for computing the depreciation

deductions for the passenger automobile for the taxable years subsequent to the placed-in-service year. Therefore, assuming the applicable depreciation method and convention for the passenger automobile is the 200-percent declining balance method and the half-year convention, respectively, the total depreciation allowable for the passenger automobile for 2011 is $2,936 (40 percent multiplied by the adjusted depreciable basis of $7,340 [unadjusted depreciable basis of $18,400 less the total depreciation allowable for prior taxable years of $11,060]). Because this amount is less than the depreciation limitation of $4,900 for 2011 (see Table 7 in Rev. Proc. 2011–21), X deducts $2,936 as depreciation on its federal income tax return for the 2011 taxable year.