Appropriate Letters
Refund Inquiry
Account Adjustment
Disclosure
100

General claim disallowance letter

What is the 105C letter?

100

3 weeks processing time frame.

What is an e-filed refund return?

100

Designates the end of the statement that is printed on the taxpayer’s notice.

What is reason code?

100

Alerts users to account conditions when identity theft is a factor, suspected or documented.

What is the IAT Disclosure Tool?

200

Informs taxpayers their correspondence, inquiry and or forms has been sent to the best office for processing.


What is the 86C letter?
200

Provides refund information for the current processing year plus two prior year returns. 

What is Where’s my Refund (WMR)?

200

Input on the ADJ54 screen for all overpayment adjustments resulting from a claim or amended return, regardless of whether the 45-day period is met.

What is amended claims date?

200

Must be completed if a taxpayer requests account information and there is no open account issue, or a notice has not been issued on the account.

What is additional taxpayer authentication?

300

It provides the taxpayer a detailed explanation of the math error.

What is the 474C letter?

300

Required to use when taxpayers who file electronically using tax preparation software or who file through a tax professional.

What is Personal Identification Number (PIN)?

300

Can be used to work Form 1040X and amended returns as well as substantiated math error claims located in IRM 21.5.4.5.4, Math Error Substantiated Protest Processing.

What is the IAT xMend tool?

300

Asking the amount of refund and filing status on CC FFINQ, name control and DOB on CC INOLE, and complete name and DOB on CC DDBKD for this type of taxpayer.

What is a first time filer?

400

Xclaim Correspondex letter

What is the 4364C letter?

400

Direct deposit refund trace processing time frame.

What is 90-120 day?

400

A request for refund, or a request for an adjustment of tax paid or credit not previously reported or allowed.

What is a claim?

400
This error will automatically drop your CJE score or Performance Appraisal Rating by one point.

What is a Disclosure error?

500

Amended return required to correct the account.

What is the 4364C letter?

500

Mandate that the IRS not issue any refund on tax returns claiming the Earned Income Tax Credit (EITC) or Additional Child Tax Credit (ACTC) until February 15th.

What is Protecting Americans from Tax Hikes Act of 2015 (the PATH Act)?

500

Can be an amended return or written request that decreases tax, decreases a penalty, and/or increases a credit claimed on the return and results in the reduction of the module balance.

What is an abatement?

500

It is important to answer all the questions presented by the Disclosure tool. This command code will work in the background to collect data from responses to IMF questions.

What is command code VERIF?