Primary sources
Lessons and questions are developed from IRS publications, IRS forms and instructions, Circular 230, current tax law, regulations, and PSI exam outline topics.
Source policy
Content-source policy.
Accuracy depends on disciplined sourcing and review.
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No copied test content
The school does not copy competitor questions, official exam questions, or protected test content. Practice questions are original and written for learning.
Review requirement
A question is not published unless it includes source notes, a correct answer explanation, explanations for incorrect answers, and technical review.
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