CTC Cheat Sheet 2026

The 30 highest-yield CTC facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is a 'combined reporting' requirement in state corporate income taxation? → Filing a single return for all affiliated entities with commonly controlled income
2. What is the purpose of the W-4 form? → To inform employers of tax withholding preferences
3. When does the IRS have 6 years (instead of 3) to assess tax under the extended statute of limitations? → When the taxpayer omits more than 25% of gross income from the return
4. Why is financial forecasting important for strategic planning? → It projects future financial conditions to guide resource allocation decisions
5. What is the default federal tax classification for a single-member LLC? → Disregarded entity
6. Which type of trust is most commonly used to remove life insurance proceeds from the insured's taxable estate? → Irrevocable Life Insurance Trust (ILIT)
7. What is 'transfer pricing' in the state tax context and why do states scrutinize it? → The pricing of intercompany transactions used to shift income to lower-tax jurisdictions
8. Which of the following is a characteristic of a C corporation? → Subject to double taxation
9. How does risk appetite influence management decisions? → It defines the level of risk an organization is willing to accept in pursuit of objectives
10. Which of the following transfers qualifies for the unlimited marital deduction? → A bequest to a surviving spouse who is a U.S. citizen
11. Which Public Law limits states from taxing the income of a business whose only in-state activity is soliciting orders for goods shipped from outside the state? → Public Law 86-272
12. When should a strategic plan be revised? → When significant changes in the internal or external environment require adaptation
13. What is the 'Collection Due Process' (CDP) hearing and when can a taxpayer request one? → A hearing requested within 30 days of a CDP notice to contest IRS collection actions
14. What is the role of a power of attorney (POA) in IRS representation? → To represent a taxpayer before the IRS with proper authorization
15. What is a SWOT analysis used for? → Evaluating Strengths, Weaknesses, Opportunities, and Threats for strategic planning
16. Which of the following items is typically exempt from sales tax in most U.S. states? → Prescription drugs
17. What form does a taxpayer file to request an audit reconsideration after an assessment has been made? → Form 12661
18. What role does cash flow management play in financial health? → It ensures adequate liquidity to meet obligations and fund operations
19. Which of the following is NOT a basis for an Offer in Compromise submission? → Doubt as to statute of limitations expiration
20. How does maintaining proper credentials demonstrate regulatory compliance? → It proves the practitioner has met all requirements for legal practice
21. Under IRC §6694, a tax return preparer faces a penalty for an understatement of tax if the position taken on a return does not meet what standard? → Substantial authority (or more likely than not for tax shelters)
22. What is the primary obligation of a certified professional regarding patient/client confidentiality? → Protect all personal information and disclose only with proper authorization
23. Which U.S. court hears tax cases without requiring the taxpayer to prepay the disputed tax first? → U.S. Tax Court
24. What is the purpose of environmental scanning in strategic planning? → To identify external factors that may impact organizational success
25. Which documentation practice best supports legal defensibility? → Objective, factual entries with specific measurements and timestamps
26. How should strategy implementation be monitored? → Through key performance indicators aligned with strategic objectives
27. What constitutes a boundary violation in professional practice? → Engaging in dual relationships that could impair professional judgment
28. How should client communications be documented? → Maintain detailed records of all substantive communications and decisions
29. What is one drawback of operating as a sole proprietorship? → Unlimited personal liability
30. What ethical principle requires full disclosure of all relevant facts in tax filings? → Transparency