CTP Cheat Sheet 2026

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

1. When a CTP professional makes an error in documentation, the CORRECT procedure is to: → Draw a single line through the error, initial, date, and write the correction
2. A taxpayer sells their primary residence for a $300,000 gain after living there 3 of the last 5 years. How much gain is taxable if they file as Single? → $50,000 — only gains above $250,000 are taxable
3. A married couple files jointly with $180,000 AGI. Which deduction phase-out is most likely to affect them? → Student loan interest deduction
4. Which of the following expenses qualifies as a miscellaneous itemized deduction subject to the 2% AGI floor prior to the Tax Cuts and Jobs Act (TCJA)? → Unreimbursed employee business expenses
5. When a shareholder's basis in S Corporation stock reaches zero, losses are next applied against: → The shareholder's basis in loans made to the corporation
6. What should a tax professional do when faced with an ethical dilemma? → Consult relevant ethical guidelines and authorities.
7. Which IRS notice typically indicates the first formal step in a tax audit by correspondence? → CP2000 — Underreporter Notice
8. Why is it important to review tax laws periodically for tax planning? → To ensure compliance and maximize benefits.
9. What is the PRIMARY ethical obligation of a certified Certified Tax Professional professional regarding confidential information? → Protect it from unauthorized disclosure at all times
10. A CTP who signs a tax return as a paid preparer is subject to penalties under IRC §6694 if the return contains an understatement due to: → An unreasonable position taken without adequate disclosure
11. What should a tax professional do if they suspect fraud in a tax return? → Report it to the appropriate authorities.
12. What is the tax professional's responsibility in providing tax advice? → To offer guidance within the confines of the law.
13. The deduction for charitable contributions of appreciated capital gain property is generally limited to what percentage of the taxpayer's adjusted gross income? → 30%
14. A CTP preparing a business return notices that the client's bookkeeper may have embezzled funds. The CTP's professional obligation is to: → Discuss the matter with the client and continue the engagement appropriately
15. Which risk management approach is MOST effective for CTP professionals when evaluating potential workplace hazards? → Proactive hazard identification and assessment
16. A taxpayer who is blind AND age 65 or older files as Single. How many additional standard deduction amounts do they receive for 2023? → Two additional amounts
17. A taxpayer sells their principal residence after living in it for 2 of the past 5 years (filing jointly). How much gain can be excluded from income? → $500,000
18. The 'more likely than not' standard for tax return positions means: → The position has greater than a 50% likelihood of being sustained on the merits
19. In Certified Tax Professional, what is the PRIMARY purpose of conducting regular safety drills and exercises? → To ensure personnel can respond effectively in emergencies
20. Under Circular 230, a practitioner who associates their name with a tax return or claim for refund is deemed to have: → Represented that the return is accurate to the best of their knowledge
21. When a C Corporation liquidates and distributes property to shareholders, the corporation generally recognizes: → Gain or loss as if the property were sold at fair market value
22. Under Circular 230, a tax practitioner who discovers a client made an error on a prior year return must: → Promptly advise the client of the error and its consequences
23. Under the Affordable Care Act, what form do taxpayers who purchased insurance through the Marketplace use to reconcile the Premium Tax Credit? → Form 8962
24. Under Circular 230, a tax practitioner who discovers a client made an error on a prior year return must: → Promptly notify the client of the error and its consequences
25. In CTP practice, what happens when regulations are updated or changed? → Professionals must update their knowledge and practices to meet new requirements
26. A partnership's basis in property contributed by a partner is generally equal to: → The contributing partner's adjusted basis in the property
27. Which regulatory requirement is UNIVERSAL across all Certified Tax Professional practice settings? → Maintaining current certification and meeting continuing education requirements
28. What does the term 'basis' mean in the context of tax preparation? → The taxpayer's cost or investment in an asset used to calculate gain or loss
29. A CTP who is suspended from practice before the IRS may still: → Prepare tax returns (but not represent taxpayers before the IRS)
30. Effective communication between Certified Tax Professional professionals and stakeholders requires which essential element? → Adapting communication style to the audience while maintaining accuracy