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Risk Assessment Flashcards

7 cards from real CTC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the standard accuracy-related penalty rate under IRC Section 6662 for negligence or a substantial understatement of income tax?

    Answer: 20% of the underpayment

    IRC 6662 imposes a 20% penalty on the portion of the underpayment attributable to negligence or substantial understatement.

  2. For an individual taxpayer, an understatement of income tax is 'substantial' when it exceeds which threshold?

    Answer: The greater of 10% of the correct tax or $5,000

    For individuals, a substantial understatement exceeds the greater of 10% of the tax required to be shown or $5,000.

  3. Absent fraud or a substantial omission, how long does the IRS generally have to assess additional tax after a return is filed?

    Answer: 3 years

    Under IRC 6501(a), the general assessment period is 3 years from the later of the filing date or due date.

  4. If a taxpayer omits more than 25% of the gross income stated on the return, the assessment statute of limitations extends to how many years?

    Answer: 6 years

    IRC 6501(e) extends the assessment period to 6 years for a substantial omission of gross income over 25%.

  5. What penalty rate applies to an underpayment from a transaction lacking economic substance that was NOT adequately disclosed on the return?

    Answer: 40%

    IRC 6662(i) raises the economic substance penalty from 20% to 40% when the transaction is not adequately disclosed.

  6. What is the civil fraud penalty rate under IRC Section 6663?

    Answer: 75% of the underpayment attributable to fraud

    IRC 6663 imposes a 75% penalty on the portion of an underpayment attributable to fraud.

  7. In which situation does the IRS have NO time limit to assess tax?

    Answer: The taxpayer filed a false or fraudulent return with intent to evade tax

    Under IRC 6501(c), tax may be assessed at any time when a fraudulent return is filed or no return is filed.

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Sources & references

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  1. certifiedtaxcoach.org — Score validity, eligibility, exam format, test delivery · verified Oct 2026