Part 21. Customer Account Services
Table of Contents
21.1 Accounts Management and Compliance Services Operations- 21.1.1 Accounts Management and Compliance Services Overview
 - 21.1.2 Reference Materials Overview
 - 21.1.3 Operational Guidelines Overview
 - 21.1.7 Campus Support
 
- 21.3.1 Taxpayer Contacts Resulting From Notice Issuance
 - 21.3.3 Incoming and Outgoing Correspondence/Letters
 - 21.3.4 Field Assistance
 - 21.3.5 Taxpayer Inquiry Referrals Form 4442
 - 21.3.6 Forms and Information Requests
 - 21.3.7 Processing Third-Party Authorizations onto the Centralized Authorization File (CAF)
 - 21.3.8 Tax Exempt/Government Entities (TE/GE) Customer Account Services (CAS) Telephone Operations
 - 21.3.9 Processing Reporting Agents File Authorizations
 - 21.3.10 Practitioner Priority Service (PPS)
 - 21.3.11 Information Returns Reporting Procedures
 
- 21.4.1 Refund Research
 - 21.4.2 Refund Trace and Limited Payability
 - 21.4.3 Returned Refunds/Releases
 - 21.4.4 Manual Refunds
 - 21.4.5 Erroneous Refunds
 - 21.4.6 Refund Offset Research, Reversals, and Injured Spouse Processing
 
- 21.5.1 General Adjustments
 - 21.5.2 Adjustment Guidelines
 - 21.5.3 General Claims Procedures
 - 21.5.4 General Math Error Procedures
 - 21.5.5 Unpostables
 - 21.5.6 Freeze Codes
 - 21.5.7 Payment Tracers
 - 21.5.8 Credit Transfers
 - 21.5.9 Carrybacks
 - 21.5.10 Examination Issues
 - 21.5.11 Employee Plan Accounts
 - 21.5.13 IRC 965 Transition Tax Procedures - Accounts Management
 
- 21.6.1 Filing Status and Exemption/Dependent Adjustments
 - 21.6.2 Adjusting TIN-Related Problems
 - 21.6.3 Credits
 - 21.6.4 Tax Computation / Accounting Period Changes
 - 21.6.5 Individual Retirement Arrangements (IRA), Coverdell Education Savings Accounts (ESA), Archer Medical Savings Accounts (MSA) and Health Savings Accounts (HSA)
 - 21.6.6 Specific Claims and Other Issues
 - 21.6.7 Adjusting Individual Tax Accounts
 - 21.6.8 Split Spousal Assessments
 
- 21.7.1 BMF/NMF Miscellaneous Information
 - 21.7.2 Employment and Railroad Tax Returns
 - 21.7.3 Unemployment Taxes
 - 21.7.4 Income Taxes/Information Returns
 - 21.7.7 Exempt Organizations and Tax Exempt Bonds
 - 21.7.9 BMF Duplicate Filing Conditions
 - 21.7.10 No-Merge Cases
 - 21.7.11 Additional Computer Paragraph Notices and Transcripts
 - 21.7.12 Non-Master File (NMF) Adjustments
 - 21.7.13 Assigning Employer Identification Numbers (EINs)