These are common unpostable codes found on IDRS.
IDRS pending transaction code for a corrected unpostable and is displayed in front of the unpostable transaction
What is CU?
100
These are commonly used IDRS Command Codes
When an employee ID is input, this IDRS screen displays IRS employee name, SEID, phone number, status, and is for internal IRS use only
What is FIEMP?
100
Identify these freeze codes commonly found on IDRS.
This code is set when a refund check is returned as undeliverable by the post office.
What is S- ?
100
Things related to Identity Theft.
This 971 action code identifies an identity theft pending claim from the tax payer and is found on ENMOD
What is 522?
100
Commonly used acronyms.
It's acronym is TAS.
What is Taxpayer Advocate Service?
200
IDRS pending transaction code for a deleted unpostable and is displayed in front of the unpostable transaction
What is DU?
200
This command code allows an employee to delete their erroneous entry on the day of input. It only allows them to delete their own entries.
What is TERUP?
200
This code is set when a duplicate return, subsequent return or a TC 971 with action code 010 posts to an account.
What is -A ?
200
This form number is an Identity Theft Affidavit, provided by the tax payer, that provides documentation to substantiate identity theft incidents.
What is Form 14039?
200
It's acronym is ITAR.
What is Identity Theft Assistance Request?
300
This condition occurs when a TC150 is input to a module containing TC971 AC 121 and is generated by the RICS DDB filter criteria.
What is U126-0?
300
This multi page file should be checked every morning by all IDRS users. It contains up to date information on a variety of topics for example; weather forecast, command code availability, command code changes, the current cycle, interest rates...
What is MESSG?
300
This code is set when no original return (TC 150) has posted and a duplicate or amended return posts to a module.
What is E- ?
300
Form 14039, Identity Theft Affidavit, is not necessary to substantiate identity theft if you have this report.
What is a Police Report?
300
It's acronym is TPP.
What is Taxpayer Protection Program?
400
This unpostable condition occurs when a return does not contain a matching Identity Protection (IP) Pin, when an IP Pin is present in the entity.
What is a U147-0?
400
When a TIN is input with this command code, IDRS displays specific tax module amounts, dates (including CSED), and a listing of posted and pending transactions.
What is TXMODA?
400
This code is known as Combat Zone Indicator
What is -C ?
400
This 971 action code indicates a resolved IRS identified identity theft issue and is found on ENMOD.
What is 506?
400
It's acronym is IVO.
What is Integrity & Verification Operation?
500
This unpostable condition occurs when a return attempts to post to an account containing an unreversed TC 971 AC 501 or 506 and does not pass established identity theft business filters.
What is U147-1?
500
When a TIN is input with this command code, IDRS will display a summary screen of all modules present on AIMS. This is helpful in determining the AIMS status code and when to transfer a call to Exam.
What is AMDIS or AMDISA?
500
This code can be set when an Amended Return adjustment is done after the RSED expires and the RFSCDT is not input.
What is -D ?
500
To provide taxpayers who are victims of identity theft with a realistic expectation of the time frame for resolution of their cases, Accounts Management is advising taxpayers to allow this number of days from the date their documentation is received.
What is 180?
500
It's acronym is RICS.
What is Return Integrity and Correspondence Services