The Cohen Rule: Still Helping Taxpayers Nearly 100 Years Later

There’s good news if you’ve ever been stressed about not having every receipt for your tax deductions. Almost 100 years ago, a principle was established that still benefits taxpayers today—it’s called the “Cohen Rule.” Born out of the 1930 Cohen v. Commissioner case, this rule remains a powerful tool, saving taxpayers from being unfairly penalized when documentation is missing or incomplete. And believe me, it’s still relevant—even though some may have thought it had faded into obscurity.

My Experience as an IRS Agent: Is the Cohen Rule Dead?

When I was an IRS Agent decades ago, my Group Manager often claimed the Cohen Rule was dead. I heard it all the time. But even then, I knew better. In practice, the Cohen Rule was still quietly applied in cases where taxpayers couldn’t produce every receipt but had reasonable, credible deductible estimates. And today, it’s still doing exactly that—protecting taxpayers who may not have a perfect paper trail.

The Origins of the Cohen Rule

The rule originated when George M. Cohen, a famous Broadway producer and performer, faced a challenge we all can relate to: he claimed deductions for business expenses. Still, he didn’t have every receipt on hand. The IRS disallowed those deductions, but Cohen argued that the expenses were reasonable and ordinary for his line of work. The court ruled that if a taxpayer could provide reasonable estimates for legitimate expenses, the deductions could still be allowed, even without perfect documentation.

How the Cohen Rule Helps Taxpayers Today

Fast forward nearly 100 years, and the Cohen Rule remains vital, especially for non-filers trying to get back on track. When you’ve fallen behind on filing taxes, tracking down every bit of paperwork can feel impossible. The IRS typically requires documentation for expenses, but if you don’t have all your records, the Cohen Rule can help. It allows taxpayers to estimate certain expenses as long as they’re reasonable and supported by other evidence, like bank statements or testimony.

Impact on Non-Filers

This flexibility is crucial for non-filers. Imagine trying to catch up on several years of taxes but missing essential receipts for legitimate expenses. Without the Cohen Rule, you could face hefty penalties, interest, and additional taxes just for not having every document. But the rule provides some much-needed breathing room, recognizing that life isn’t always perfect, and neither is paperwork.

Conclusion: The Cohen Rule Still Offers Relief

In a world where tax compliance can feel overwhelming, the Cohen Rule is still quietly offering taxpayers a fair chance—even decades after my manager claimed it was dead. For those behind on their taxes or who don’t have every receipt in hand, it’s a reminder that reasonable, honest efforts to comply are still respected.

Author: Jim Payne

Jim Payne, a Florida Certified Public Accountant (CPA) since 1976, offers candid insights on getting square with the IRS — with the least pain, and at the lowest cost — with (or without) the help of a tax representative. Mr. Payne is a former IRS agent and expert in business profitability, IRS audits, IRS payroll tax, and IRS non-filer issues. As a Tax Representative, his goal is clear: " I will speak on your behalf to all IRS agents, so you never have to, and I'll guide you in executing a strategy to resolve your IRS problem so you can get back to enjoying life."

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