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Electing the Section 179 Deduction | Form 4562

If you are a small or medium-sized business owner who has purchased, financed or leased equipment and placed it into service during the calendar year, then you need to elect to take the Section 179 Deduction to ensure that your business captures the available tax savings (it is not automatic - you must elect to take it).

Fortunately, electing to take the 179 Deduction is very easy:

When to take the Section 179 Deduction

You elect to take the deduction when you file your tax return for the year, whether you are filing on time or received an extension.

How to take the Section 179 Deduction

To elect to take the Section 179 Deduction, simply fill out Part 1 of IRS form 4562, available for free below, and attach it to your tax return (much like any other additional form, such as a "Schedule C" or similar).

Download IRS form 4562 for tax year 2016.
(as of January 2018, the form has not been updated to 2017 by the IRS)

Download instructions for IRS form 4562 for tax year 2016.
(as of January 2018, the form has not been updated to 2017 by the IRS)

If you do not feel comfortable completing the form yourself, your tax preparer can easily take care of form 4562 for you. Your tax preparer may also be able to advise you of additional Section 179 Deduction and Bonus Depreciation savings that may be available to you.

As we mentioned previously, most equipment as well as off-the-shelf software that you purchase, finance or lease for business-use is going to qualify for the Section 179 Deduction. You can verify whether or not the business equipment that you have purchased or leased qualifies for the Section 179 Deduction by reviewing our list of qualifying property, software, and equipment.

Is there anything else I should know?

The Section 179 is taken on an item by item basis, and you do not have to use it on all eligible property bought during the year if you do not wish to do so.

Extensions and Amended Returns

You may claim Section 179 deductions up to the due date (including extensions) for filing your taxes for the tax year you are claiming the deduction. Initially you were not allowed to claim Section 179 for previous tax years - however, under Rev. Proc. 2008-54 you are now able to amend and elect Section 179 if you previously did not for tax years beginning after 2007 through the current year.

Please note

You must keep complete records of the business equipment you leased or purchased during the year, including where you acquired the equipment from and the date the equipment was acquired and placed into service. If filing for any particular year, the equipment must have been leased or purchased and placed into service between January 1 and December 31 of the year you are filing for.


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This website was designed to answer your questions regarding the Section 179 Tax Deduction, and to explain the impact the various Stimulus Acts have had on Section 179. The information on this site will clearly explain the Section 179 Deduction in plain terms; will go over what property qualifies under Section 179 for the deduction; and will explore the myriad of ways the Section 179 deduction can impact your bottom line. In addition, there are IRS tax forms and also tools for you to use, such as the free Section 179 Deduction Calculator currently updated for the 2018 tax year.