Tax Research and Authority Hierarchy
Learn the decision pattern the exam can test, then apply it to a realistic taxpayer fact pattern.
What changes the answer?
IRS publications and the Internal Revenue Manual are useful guidance but do not carry the same authority as the Code or regulations.
A tax-practice scenario
A publication and court opinion appear to point in different directions for a client's facts. Identify controlling jurisdiction and authority.
Identify the taxpayer, entity, transaction, and tax period first. Write the controlling tests in order, apply only the relevant facts, and keep the reporting result separate from any planning recommendation.
Do not take this shortcut.
Citing only the first search result or treating every IRS document as equal authority.
Turn the rule into recall.
Write the issue and facts first, research from primary authority outward, and record contrary authority.
- ExplainState the governing distinction without notes.
- ApplyChange one fact in the scenario and predict the new result.
- RetrieveAnswer an unseen question, then review every option.
Official source and scope
This lesson follows the current PSI content outline and uses the IRS reference below for the underlying tax or practice framework. Always confirm current forms, instructions, thresholds, and effective dates before advising a taxpayer.