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Glossary of resolution and practice software terms

Short answer

This glossary defines the IRS and software terms a solo practitioner meets when adding resolution work, from CSED and CNC to Form 8821 and TDS. Each definition stands on its own, and terms with a full playbook link to it.

By the BestTaxSoftware.com editorial team. Updated . Prices checked on vendor sites that day.

Account transcript
An IRS record of every transaction on one tax period for one taxpayer: assessments, payments, penalties, interest, and collection actions, each with a transaction code and date.
Learn more: Account transcript
AFSP (Annual Filing Season Program)
A voluntary IRS program for preparers without a credential. Participants get limited representation rights for returns they prepared and signed, not including collections or appeals.
Learn more: AFSP
AI resolution assistant
Software that uses AI to read IRS records, analyze finances, and draft resolution forms for a credentialed practitioner to review. It cannot represent a taxpayer.
Learn more: AI resolution assistant
CAF number
The Centralized Authorization File number the IRS assigns to a representative or designee when it processes their first Form 2848 or 8821.
Circular 230
The Treasury regulations governing practice before the IRS, including who may practice, fee limits, advertising rules, and duties to clients.
Collection Financial Standards
IRS allowances for food, clothing, housing, transportation, and health care used to decide how much a taxpayer can pay each month.
CSED (Collection Statute Expiration Date)
The date the IRS can no longer collect an assessed tax, generally ten years after assessment plus any suspension periods.
Learn more: CSED
CNC (Currently Not Collectible)
An IRS status that pauses most collection when a taxpayer cannot pay basic living expenses. The debt remains and penalties and interest continue.
Learn more: CNC
Enrolled agent (EA)
A federally licensed tax practitioner who passed the IRS Special Enrollment Examination and suitability check. EAs have unlimited representation rights.
Learn more: Enrolled agent
First-time abatement (FTA)
An IRS administrative waiver of failure-to-file, failure-to-pay, or failure-to-deposit penalties for one period when the taxpayer has a clean three-year history.
Learn more: First-time abatement
Form 2848
Power of Attorney and Declaration of Representative. Authorizes a CPA, EA, attorney, or other eligible individual to represent a taxpayer.
Learn more: Form 2848
Form 433-A / 433-F
IRS Collection Information Statements: the financial disclosure used for installment agreements, CNC, and, in the OIC version, offers in compromise.
Form 8821
Tax Information Authorization. Lets a named person or organization receive a taxpayer’s IRS information without representing them.
Learn more: Form 8821
Installment agreement
An IRS payment plan that lets a taxpayer pay a balance in monthly payments, with a setup fee that depends on how it is requested.
Learn more: Installment agreement
Offer in compromise (OIC)
An agreement to settle a tax debt for less than the full balance when the taxpayer cannot pay it in full before the CSED.
Learn more: Offer in compromise
Pay-per-return pricing
A prep software license priced per filed return or in return bundles, rather than an unlimited yearly fee.
Learn more: Pay-per-return pricing
PTIN
Preparer Tax Identification Number. Required for anyone who prepares federal returns for pay.
RCP (Reasonable Collection Potential)
The IRS calculation of what it could collect from a taxpayer: equity in assets plus future disposable income. The floor for an acceptable offer.
Learn more: RCP
TDS (Transcript Delivery System)
The IRS system through which authorized practitioners retrieve client transcripts. Resolution and transcript software pulls data through it.
Learn more: TDS
Unlimited representation rights
The right to represent any taxpayer on any matter before the IRS, held by CPAs, enrolled agents, and attorneys.
Learn more: Unlimited representation rights

Sources

  1. Understanding tax return preparer credentials and qualifications (IRS)
  2. Circular 230: Regulations governing practice before the IRS (IRS)
  3. About Form 8821, Tax Information Authorization (IRS)
  4. About Form 2848, Power of Attorney and Declaration of Representative (IRS)
  5. Transcript Delivery System (TDS) (IRS)
  6. Collection Financial Standards (IRS)
  7. IRM 5.1.19, Collection Statute Expiration (IRS)