ENTITY
MATH ERRORS
TRANSACTION CODES
DDBCK
UNPOSTABLES
100

This is the command code to request a change to entity

WHAT IS ENREQ

100

Freeze code that indicates math error

What is -G?

100

TC Input to decrease tax

What is 291?

100

Filing status, claim amount, EIC & AGI can be found here

Return Update Screen

100

One digit # that helps identify cause of unpostable

What is the Unpostable Reason Code?

200

This is the response command code used to update entity

WHAT IS INCHG

200

Source code needed on all PHONE math error adjustments

What is 2?

200

Adjusted Gross Income

What is TC 888?

200

CC used on current year if DDBCK can't be used

What is DUPED?

200

Two command codes that show unpostable conditions

What are TXMOD and ENMOD?

300

This symbol is used to identify the name control in a name line

What is the right hand bracket ]

300

Three command codes where math errors can be found

What are: TXMODA,IMFOLT

& RTVUE?

300

Federal Witholding

What is TC 806?

300

Definer used to go directly to update screen

What is A?

300

Case control listed on age list to indicate unpostable

What is NLUN?

400

These codes are systemic and change a name or TIN

What are TC 011 & TC 013

400

Command code EIC recertification indicator can be located on this CC

what is ENMOD?

400

AUR present on account

What is TC 922?

400

Two EIC codes used on the phone

What are P and N

400

IAT tool used to leave unpostable history

What is UP Histories?

500

One of the most common causes of this condition is a TC 150 for the same year on both accounts(“to” and “from”)

What is a no merge condition?

500

Blocking Series used to set Math Error

What is 77 or 78?

500

Exams has decreased the tax

What is TC 301?

500

Years you are required to update DDBCK

What are Current and prior two years?

500

This causes the most common unpostable

What is taking TXI below zero?

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