Sales of Business Property - Attachment Sequence No. 27 - Part III Gain From Disposition of Property Under Sections 1245,1250,1252,1254,and 1255

Sep 19, 2026

Form 4797 (2025) attachment sequence no. 27 for reporting sales or exchanges of property used in a trade or business and involuntary conversions. It includes lines for gross proceeds, gains and losses from partial dispositions of MACRS assets, and computations for section 1231 gains and related ordinary gains and losses. Part III gathers section 1245/1250/1252/1254/1255 property details—description, acquisition and sale dates, and amounts for gross sales price, cost basis, depreciation, and adjusted basis—for tax return filing.

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Department of the Treasury - Internal Revenue Service

Sales of Business Property and Involuntary Conversions (Lines 1a–9)

Part II Ordinary Gains and Losses (Lines 10–18b)

Part III Gain From Disposition of Property Under Sections 1245,1250,1252,1254,and 1255 (Lines 19–23)

| rom4797
Department of the Treasury
Intermnal Revenue Service | Sales of Business Property
(Also Involuntary Conversions and Recapture Amounts
Under Sections 179 and 280F(b)(2))
Attach to your tax return.
Go to www.irs.gov/Form4797 for instructions and the latest information. | | | OMBNo.1545-0184 | | | --- | --- | --- | --- | --- | --- | | | | | | 2025
Attachment
Sequence No.27 | | | Name(s)shown on return | | Identifying number | | | | | 1a Enter the gross proceeds from sales or exchanges reported to you for 2025 on Form(s)1099-B or 1099-S (or
substitute statement)that you are including on line 2,10,or 20.See instructions......
b Enter the total amount of gain that you are including on lines 2,10,and 24 due to the partial dispositions of
MACRS assets
c Enter the total amount of loss that you are including on lines 2 and 10 due to the partial dispositions of MACRS
assets. | | | 1a | | | | | | | 1b | | | | | | | | | | | | | | 1c | | | | | | | | | | Sales or Exchanges of Property Used in a Trade or Business and Involuntary Conversions From Other Partl Than Casualty or Theft-Most Property Held More Than 1 Year (see instructions) | 2
(a)Description
of property | (b)Date acquired
(mo.,day,yr.) | (c)Date sold
(mo.,day,yr.) | (d)Gross
sales price | (e)Depreciaton
allowed or
allowable since
acquisition | (f)Cost or other
basis,plus
improvements and
expense of sale | | (g)Gain or (loss)
Subtract (f)from the
sum of (d)and(e) | | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3 Gain,if any,from Form 4684,line 39
4 Section 1231 gain from installment sales from Form 6252,line 26 or 37
5 Section 1231 gain or(loss)from like-kind exchanges from Form 8824
6 Gain,if any,from line 32,from other than casualty or theft ...
7 Combine lines 2 through 6.Enter the gain or(loss)here and on the appropriate line as follows
Partnerships and S corporations.Report the gain or (loss)following the instructions for Form 1065,Schedule K,
line 10,or Form 1120-S,Schedule K,line 9.Skip lines 8,9,11,and 12 below.
Individuals,partners,S corporation shareholders,and all others.If line 7 is zero or a loss,enter the amount
from line 7 on line 11 below and skip lines 8 and 9.If line 7 is a gain and you didn't have any prior year section
1231 losses,or they were recaptured in an earlier year,enter the gain from line 7 as a long-term capital gain on the
Schedule D filed with your return and skip lines 8,9,11,and 12 below.
8 Nonrecaptured net section 1231 losses from prior years.See instructions.
9 Subtract line 8 from line 7.If zero or less,enter -0-.If line 9 is zero,enter the gain from line 7 on line 12 below.If
line 9 is more than zero,enter the amount from line 8 on line 12 below and enter the gain from line 9 as a long-term
capital gain on the Schedule Dfiled with your return.See instructions | | | | | | 3 | | | | | | | | | 4 | | | | | | | | | 5 | | | | | | | | | 6 | | | | | | | | | 7 | | | | | | | | | 8 | | | | | | | | | | | | | | | | | | 9 | | Part Il Ordinary Gains and Losses (see instructions) 10 Ordinary gains and losses not included on lines 11 through 16(include property held 1 year or less): | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Loss,if any,from line 7 .... ....
11
12 Gain,if any,from line 7 or amount from line 8,if applicable..
13 Gain,if any,from line 31. . . . ... . . . . .
14 Net gain or(loss)from Form 4684,lines 31 and 38a . . . .
15 Ordinary

FAQs

What tax situation does this attachment cover?

It covers sales or exchanges of property used in a trade or business, along with involuntary conversions, including the related amounts under Sections 179 and 280F(b)(2).

How are MACRS partial dispositions reflected in the form?

You enter amounts for the gross proceeds, the total gain, and the total loss included for the relevant lines based on partial dispositions of MACRS assets.

What information is required in Part III for Sections 1245/1250/1252/1254/1255 property?

Part III requires the section property description, acquisition and sale dates, and the financial figures such as gross sales price, cost or other basis plus expense of sale, depreciation (or depletion), and adjusted basis for each property category.

Sep 19, 2026

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