File Source A one digit code which follows the Taxpayer Identification Number (TIN) The common values are: Blank: valid SSN…
Federal Tax Deposit (FTD) Until December 31, 2010 under the Federal Tax Deposit System, a taxpayer did not make payments…
Extension Notice Code A two digit code assigned to Forms 2688/4868 identifying if the applications for extension of time to…
Error Resolution System (ERS) An on-line real-time error correction system where information is virtually immediately corrected and updated on the…
ERISA Filing Acceptance System (EFAST) EFAST is a system, built and operated by NCS Pearson in Lawrence, Kansas, under contract…
Entity Module Is that portion of the master file record which identifies the taxpayer. It contains his/her name, address, Social…
Entity Index An index of all entity modules at a given service center, used by DIS when inputting returns. This…
Enterprise Computing Center (ECC) Located in Martinsburg, West Virginia, this center houses the master file records for the entire nation.…