Claim - INFORMAL A letter or other document, not on Form 843, but prepared and signed by the taxpayer, requesting…
Check Digit A check digit consists of two alphabetic characters. These characters are determined by the computer applying a mathematical…
Calendar Year Filer Taxpayer whose fiscal or filing year coincides with the calendar year ending in December.
Business Masterfile Case Creation Notice Identification Process (BMF CCNIP) Application and database which has the ability to interactively identify, prioritize…
Automated Non-Master File (ANMF) Accounts processed manually in the Accounting Branch.
AIMS Serial Number A computer generated nine digit number assigned to each return as it is established on the AIMS…