Attachment 2 - Acronyms.pdf

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Attached to
Internal Revenue Service (IRS) Taxpayer Assistance Center (TAC) Modernization
Solicitation number
26-12-APMO
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About this file

This file is an acronyms reference table for the Taxpayer Assistance Center (TAC) Modernization project. It contains alphabetically organized definitions for approximately 200 acronyms and abbreviations used throughout TAC Mod contract documentation and communications. The acronyms cover a range of categories including information technology systems and infrastructure (such as API, Database, DevSecOps, and Cloud Management Office), federal compliance and security frameworks (including FISMA, RFM, and PIV), IRS-specific systems and processes (such as IRIS, IRMF, and Filing Season), project management and governance terms (including PMO, WBS, and OneSDLC), and contracting-related acronyms (such as PWS, QASP, and SOW). The table serves as a standardized reference guide to ensure consistent terminology across all parties involved in the TAC Modernization initiative, including government agencies, contractors, and stakeholders.

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Attachment 2 - Taxpayer Assistance Center (TAC) Modernization (Mod) Acronyms Table

Acronym Full Form A&A Assessment & Authorization A2A Application to Application AM Accounts Management AMMPS Automated Magnetic Media Processing System API Application Programming Interface AQT Acceptance Quality Test (or Acceptance Qualification Test) ARP American Rescue Plan ATO Authority to Operate ATS Assurance Testing System CARE Customer Assistance, Relationships and Education CAS Customer Account Services CAT Credential Authentication Technology

CFR Code of Federal Regulations

CEG Cloud External Gateway CI/ID Continuous Integration / Continuous Deployment (or Delivery) CLM Collaborative Lifecycle Management CMO Cloud Management Office CPA Certified Public Accountant

CO Contact Officer

OR Contract Officer’s Representative

COH Computer Operator Handbook CSI Continual Service Improvement CX / EX Customer and Employee Experience

DB Database DB2 Database 2 (IBM’s relational database) DEIS Data Engineering Integration Services DEV Development Environment DevSecOps Development, Security, and Operations DSR Design Specification Report

EA Enterprise Architecture ECS Enterprise Common Services EFS e-File Services EFTU Enterprise File Transfer Utility EIT Electronic and Information Technology

ELC Enterprise Life Cycle ES Enterprise Services ERAP Enterprise Remote Access Project

ESAM External Services Authorization Management

ESB Enterprise Service Bus ESP Enterprise Service Platform

EST Enterprise System Testing ETL Extract, Transform, & Load EVD Extended Virtual Delivery EWM Engineering Workflow Management FA Field Assistance FAAR Field Assistance Activity Reporting FAST Field Assistance Scheduling Tool FATCA Foreign Account Tax Compliance Act FF Foreign Filers FI Foreign Financial Institution FIRE Filing Information Returns Electronically FISMA Federal Information Security Modernization Act

FS Filing Season FTR Federal Travel Regulations

FY Fiscal Year GFI Government Furnished Information

GFP Government Furnished Property

GIIN Global Intermediary Identification Number GSA Government Services Administration

HSPD Homeland Security Presidential Directive

HTML HyperText Markup Language IAL1 Identity Assurance Level 1 IAL2 Identity Assurance Level 2 IAM Identity and Access Management ICGE Independent Government Cost Estimate

IDES International Data Exchange Service IMS Integrated Master Schedule IR Information Returns IR Mod Information Returns Modernization IRA Inflation Reduction Act IRAP Information Resource Authorization Package IRIS Information Returns Intake System IRM Internal Revenue Manual IRMF Information Returns Master File IRS Internal Revenue Service IT Information Technology ITIN Individual Tax Identification Number

J2EE Java 2 Platform, Enterprise Edition KPI Key Performance Indicators

LI&M Legacy Integration and Modernization MBI Minimum Background Investigation

MSP Managed Service Provider MY Mid-Year O&M Operations and Maintenance OLS Online Services OneSDLC One System Development Life Cycle OR Organizational Readiness Oracle Oracle Database OS Operations Support PBBA Partnership Bipartisan Budget Act PGLD Privacy, Governmental Liaison & Disclosure PI Program Increment PIV Personal Identity Verification

PM Project Manager PMF Payer Master File PMO Project Management Office

POC Point of Contact POP Period of Performance

PROD Production Environment PTP Program/Project Tailoring Plan PWS Performance Work Statement QASP Quality Assurance Surveillance Plan

RFM Risk Management Framework ROI Return on Investment

RPLRs Reusable Program Level requirements QCP Quality Control Plan

S&P Strategy & Planning SaaS Software as a Service SADI Secure Access Digital Identity SAT System Acceptability Testing SE Solution Engineering SME Subject Matter Expert SMS Short Message Service SOAP Simple Object Access Protocol SQL Structured Query Language SSM Strategic Supplier Management

SSN Social Security Number TAC Taxpayer Assistance Center TBD To be Determined TCC Transmitter Control Codes TFA Taxpayer First Act TIC Trusted Internet Connection TIGTA Treasury Inspector General for Tax Administration TS Taxpayer Services UI User Interface US United States VSA Vision, Scope, and Architecture VSD Virtual Service Delivery WebSD Web Service Delivery WBS Work Breakdown Structure WCAG Web Content Accessibility Guidelines XML Extensible Markup Language

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