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Inside the CARES Act: Five-Year Carryback for Net Operating Losses and Taxable Income Offset

The Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) relaxes the limitations on a company’s use of losses. Under the current rules amended by the 2017 Tax Cuts and Jobs Act (“TCJA”), net operating losses (“NOLs”) are subject to a taxable-income limitation and cannot be carried back to reduce income in a prior tax year.

CARES Act Carryback for Net Operating Losses

The CARES Act gives companies a five-year carryback period for NOLs arising in the 2018, 2019, and 2020 tax years. Under the timing rules of the Internal Revenue Code (“IRC”) Section 172 and the promulgated Treasury Regulations, the carried back NOLs are carried to the earliest of the tax years to which the loss may be carried.

CARES Act Taxable Income Offset

Additionally, the CARES Act suspends the 80% of taxable income limitation on the use of NOLs for tax years beginning before January 1, 2021. The TCJA imposed the 80% of taxable income limitation on the use of NOLs, which applied to years beginning after December 31, 2017. As a result of the CARES Act, corporate taxpayers may use NOLs to fully offset taxable income in the 2018, 2019, and 2020 tax years.

The below table summarizes three categories of federal NOLs that are effectively created as a result of the TCJA and CARES Act:

NOL generated



(tax years)



(tax years)

Can offset % of
taxable income
On or prior to
December 31, 2017
2 20 100%
After December 31, 2017,
and before January 1, 2021
5 Indefinite

100% (prior to 2021)


80% (after 2020)

On or after
January 1, 2021
No Indefinite 80%

COVID-19 Tax Savings

As a result of the changes to federal NOL provisions, corporate taxpayers may be able to amend prior year returns to offset pre-2018 income that was taxed at higher tax rates of up to 35% (the TCJA changed the corporate income tax rate to 21%). This will generate a current year refund for companies and provide them with additional cash flow and liquidity. Corporations with NOLs generated pre-2021 tax year will be able to completely offset their taxable income for the 2018, 2019, and 2020 tax years and allocate the tax savings to other expenses arising out of the COVID-19 emergency.

©2023 Norris McLaughlin P.A., All Rights ReservedNational Law Review, Volume X, Number 89

About this Author

At Norris McLaughlin, there are over twenty business law attorneys who spend all or most of their time in a variety of specialties within the field of business law.  The range of clients is broad, as are the legal services that we provide to them.  The following is a breakdown of many of the business services that we provide.  Often, these services overlap based on the needs of our client.

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