Glossary · Finance & Accounting

Enrolled Agent Glossary of Key Terms

intermediate

A free Enrolled Agent glossary: key tax and SEE terms (PTIN, Circular 230, SEE, basis, CPE) defined in plain English for EA candidates.

By The Exam Atlas Editorial Team · Verified 2026-06-07

Plain-English definitions of the terms for Enrolled Agent study. Simplified for learning; the IRS’s materials are authoritative.

TermDefinition
Enrolled Agent (EA)A tax practitioner federally authorised to represent taxpayers before the IRS; the highest IRS credential.
SEESpecial Enrollment Examination, the three-part exam to become an EA.
Part 1 - IndividualsThe SEE part covering individual income tax.
Part 2 - BusinessesThe SEE part covering business entities and their tax; the broadest part.
Part 3 - RepresentationThe SEE part covering practice before the IRS, ethics and procedures.
PTINPreparer Tax Identification Number, required to prepare returns and to sit the SEE.
Circular 230The Treasury Department rules governing practice and ethics before the IRS.
Unlimited representation rightsThe right to represent any taxpayer on any tax matter before any IRS office.
Form 23The application for enrollment to practise as an EA, filed after passing the SEE.
Form 8554The form used to renew enrollment every three years.
Enrollment cycleThe three-year period over which EAs renew and complete continuing education.
Continuing education (CPE)72 hours per three-year cycle (including 6 ethics hours) to keep EA status.
Scaled scoreA converted score (200-800 scale); 500 is needed to pass each SEE part.
Carryover periodThe three years for which a passed SEE part stays valid before enrollment.
BasisThe amount used to figure gain, loss or depreciation on property for tax.
Filing statusA taxpayer’s category (single, married filing jointly, etc.) that affects tax.
Circular 230 sanctionsPenalties (censure, suspension, disbarment) for breaching the practice rules.
Power of attorneyAuthorisation (often Form 2848) letting a representative act for a taxpayer.
Examination (audit)The IRS review of a return that an EA may represent the taxpayer through.
AppealsThe IRS process for disputing an examination result, where EAs can represent.

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