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CARES Act Remaining Tax Provisions — Practitioner Guide

Complete guide to remaining CARES Act tax provisions — NOL carryback rules, excess business loss limitations, and charitable contribution changes. Updated for 2026.

CARES ActNOL CarrybackExcess Business LossCharitable ContributionsCOVID Tax Relief

CARES Act Tax Provisions — What Remains in Effect

CARES Act ProvisionOriginal RuleCurrent Status (2026)
NOL carryback (2018-2020)5-year carryback for NOLs in 2018, 2019, 2020Expired; NOLs generated after 2020 cannot be carried back
NOL carryforward (80% limitation)TCJA limited NOL carryforward to 80% of taxable incomeStill in effect; CARES Act temporarily suspended for 2018-2020
Excess business loss limitationTCJA limited excess business losses to $313,000 (single) / $626,000 (MFJ) in 2026Still in effect; CARES Act temporarily suspended for 2018-2020
Charitable contribution (60% AGI limit)CARES Act increased cash contribution limit to 100% of AGI for 2020Expired; 60% AGI limit restored
Qualified improvement property (QIP)CARES Act retroactively corrected QIP to 15-year lifeStill in effect; QIP is 15-year property

Source: CARES Act §2303-§2306; IRC §172; §461(l); §170

The QIP correction: The CARES Act retroactively corrected a drafting error in the TCJA that had classified Qualified Improvement Property (QIP) as 39-year property instead of the intended 15-year property. The correction allows QIP to qualify for bonus depreciation — a significant benefit for restaurants, retailers, and other businesses that make interior improvements to leased or owned buildings. This correction is still in effect and applies to all QIP placed in service after December 31, 2017.

Excess Business Loss Limitation — 2026 Rules

Excess Business Loss Item2026 AmountNotes
Excess business loss limitation (single)$313,000Indexed for inflation; losses above this are treated as NOL carryforward
Excess business loss limitation (MFJ)$626,000Indexed for inflation
Excess losses treated asNOL carryforwardCarried forward to offset future income (80% limitation applies)
Applies toNon-corporate taxpayersSole proprietors, partners, S corp shareholders
Effective dates2021-2028 (extended by ARPA)CARES Act suspended for 2018-2020; ARPA extended through 2028

Source: IRC §461(l); TCJA §11012; CARES Act §2304; ARPA §9042

The excess business loss trap: The excess business loss limitation (IRC §461(l)) limits the amount of business losses that a non-corporate taxpayer can deduct in a single year to $313,000 (single) or $626,000 (MFJ) in 2026. Losses above this amount are treated as a net operating loss carryforward — subject to the 80% limitation. This limitation can significantly affect real estate investors, farmers, and other taxpayers with large business losses.

NOL Carryforward Rules — Post-CARES Act

NOL RulePre-TCJATCJA (2018-2020)Post-CARES Act (2021+)
Carryback2 yearsNone (TCJA eliminated)None (for post-2020 NOLs)
Carryforward20 yearsIndefiniteIndefinite
Deduction limitation100% of taxable income80% of taxable income80% of taxable income
2018-2020 NOLsN/A5-year carryback (CARES Act)5-year carryback (CARES Act)

Source: IRC §172; TCJA §13302; CARES Act §2303

Amended Returns for 2018-2020 NOL Carrybacks

Taxpayers with NOLs in 2018, 2019, or 2020 can still file amended returns to carry back those NOLs to the 5 preceding tax years. The carryback can generate significant refunds — especially if the taxpayer had high income in the carryback years (before the TCJA rate reductions). The statute of limitations for claiming a refund based on an NOL carryback is the later of: (1) 3 years from the due date of the return for the loss year; or (2) the normal refund statute for the carryback year. Practitioners should review all clients with 2018-2020 NOLs for carryback opportunities.

Practitioner Planning Checklist — Cares Act Remaining Provisions

  1. Review all client files for cares act remaining provisions exposure annually. Identify clients who may benefit from planning strategies related to this topic before year-end.
  2. Document all elections and positions taken. Maintain contemporaneous records supporting any tax positions. The IRS can audit returns up to 3 years (6 years for substantial understatements, unlimited for fraud).
  3. Coordinate with estate and financial planning. Tax strategies do not exist in isolation. Coordinate with the client's financial advisor and estate planning attorney to ensure consistency across all planning documents.
  4. Model multiple scenarios before advising clients. Use tax projection software to model the impact of different strategies. Present clients with a clear comparison of options, including the tax cost and non-tax considerations of each.
  5. Stay current on IRS guidance and legislative changes. This area of tax law is subject to frequent IRS guidance, revenue rulings, and legislative changes. Subscribe to IRS e-News and monitor the Uncle Kam Legislative Updates section for developments.
  6. Review state tax implications. Federal tax strategies may have different or adverse state tax consequences. Verify the state tax treatment of any strategy before advising clients, particularly for clients in high-tax states (CA, NY, NJ, IL, MA).
  7. Obtain client consent for aggressive positions. For any position that is not clearly supported by statute or regulation, obtain written client consent and disclose the position on the return (Form 8275 or 8275-R if contrary to regulations).
  8. Set follow-up reminders for multi-year strategies. Many tax strategies span multiple years (installment sales, 1031 exchanges, Roth conversion ladders). Set calendar reminders to review and adjust strategies as circumstances change.

Common Mistakes and Pitfalls — Cares Act Remaining Provisions

  • Failing to document the business purpose of deductions. The IRS requires contemporaneous documentation for most deductions. Receipts, logs, and business purpose statements should be maintained at the time of the expense, not reconstructed later.
  • Missing filing deadlines and extension requirements. Many elections and filings have strict deadlines. Late elections (e.g., S-Corp election, §754 election) may be irrevocable or require IRS consent to make late. Calendar all critical deadlines.
  • Overlooking state conformity issues. Many states do not conform to federal tax law changes. A strategy that works at the federal level may create unexpected state tax liability. Always check state conformity before advising clients.
  • Ignoring the interaction with other tax provisions. Tax provisions rarely operate in isolation. A strategy that reduces one type of tax may increase another (e.g., reducing AGI for EITC purposes may increase the ACTC but reduce other credits). Model the full tax impact.
  • Failing to consider the economic substance doctrine. The IRS can disregard transactions that lack economic substance beyond tax benefits. Ensure that all tax strategies have a genuine business purpose and economic substance beyond tax savings.
  • Not reviewing prior-year returns for missed opportunities. Many tax benefits can be claimed on amended returns within the statute of limitations (generally 3 years). Review prior-year returns for missed deductions, credits, and elections.

Related Strategies and Planning Opportunities

  • Year-End Tax Planning: Review cares act remaining provisions implications as part of comprehensive year-end tax planning. Identify opportunities to accelerate deductions or defer income before December 31.
  • Entity Structure Review: The choice of entity (sole proprietorship, LLC, S-Corp, C-Corp) significantly affects the tax treatment of income and deductions. Review entity structure annually, especially after significant income changes.
  • Retirement Plan Optimization: Maximize retirement plan contributions to reduce taxable income. Self-employed individuals have access to SEP-IRAs, SIMPLE IRAs, and solo 401(k)s with contribution limits up to $70,000 in 2026.
  • Charitable Giving Strategies: Qualified charitable distributions (QCDs), donor-advised funds, and appreciated property donations can provide significant tax benefits while supporting charitable goals.
  • Estate and Gift Tax Planning: Annual exclusion gifts ($19,000 per recipient in 2026), 529 superfunding, and irrevocable trust strategies can reduce estate tax exposure while transferring wealth tax-efficiently.

Frequently Asked Questions

What CARES Act tax provisions are still in effect?
The main CARES Act tax provision still in effect is the retroactive correction of Qualified Improvement Property (QIP) to 15-year life, allowing QIP to qualify for bonus depreciation. The NOL carryback (for 2018-2020 NOLs) and the 100% charitable contribution limit have expired.
What is the excess business loss limitation?
The excess business loss limitation (IRC §461(l)) limits the amount of business losses that a non-corporate taxpayer can deduct in a single year to $313,000 (single) or $626,000 (MFJ) in 2026. Losses above this amount are treated as a net operating loss carryforward.
Can I still carry back a 2020 NOL?
Yes. NOLs generated in 2018, 2019, or 2020 can still be carried back 5 years under the CARES Act. The statute of limitations for claiming a refund based on an NOL carryback is the later of: (1) 3 years from the due date of the return for the loss year; or (2) the normal refund statute for the carryback year.
What is the NOL carryforward limitation?
For NOLs generated after 2017, the deduction is limited to 80% of taxable income in the carryforward year. The NOL can be carried forward indefinitely. NOLs generated before 2018 can be carried forward for 20 years and are not subject to the 80% limitation.
What is Qualified Improvement Property (QIP)?
QIP is any improvement to the interior of a nonresidential building placed in service after the building was first placed in service. The CARES Act retroactively corrected QIP to 15-year MACRS life, allowing it to qualify for bonus depreciation. QIP includes: kitchen remodels, dining room renovations, new flooring, updated lighting, and bar renovations.
What happened to the CARES Act charitable contribution deduction?
The CARES Act temporarily increased the cash charitable contribution limit from 60% to 100% of AGI for 2020. This provision expired after 2021. The 60% AGI limit for cash contributions to public charities is restored for 2022 and later years.
What records should I keep for cares act remaining provisions purposes?
Maintain all receipts, invoices, contracts, and business purpose documentation for at least 3 years from the return due date (6 years if you underreport income by more than 25%). For property, keep records until 3 years after you dispose of the property. Electronic records are acceptable if they are accurate, accessible, and tamper-proof.
How does the IRS audit process work for this type of return?
IRS audits are conducted by correspondence (mail), office examination, or field examination. Most audits are correspondence audits requesting documentation for specific items. Respond promptly, provide only what is requested, and consider engaging a tax professional to represent you. The IRS has 3 years from the return due date to assess additional tax (6 years for substantial understatements).
What is the penalty for underpayment of estimated taxes?
The underpayment penalty is calculated at the federal short-term rate plus 3% (approximately 7–8% annualized in 2026). The penalty applies to each quarter of underpayment. You can avoid the penalty by paying at least 90% of current-year tax or 100% of prior-year tax (110% if prior-year AGI exceeded $150,000).
When should I consult a tax professional?
Consult a licensed tax professional (CPA, EA, or tax attorney) whenever you have complex transactions, significant income changes, business ownership, rental properties, foreign income, or IRS notices. The cost of professional advice is typically far less than the cost of errors, penalties, and missed planning opportunities.
Professional Disclaimer

The information on this page is intended for licensed tax professionals (CPAs, EAs, and tax attorneys) and is provided for educational and research purposes only. Tax law is complex and fact-specific — all strategies discussed are subject to limitations, phase-outs, and conditions that may not apply to every client situation. Practitioners should independently verify all information against current IRS guidance, Treasury Regulations, and applicable state law before advising clients. This content does not constitute legal or tax advice.

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