IL1120B-2400-3 e-file error
IL1120B-2400-3: If SchILB Line Section B Col B contains a C, S, P, A, N, or M, then the same occurrence of SchILB Line Section B Col C (SSN) must be blank.
This happens when a partner has an SSN but is classified as a C, S, P, A, N, or M on the Sch B-Partner Identification Page 2.
Solution
- Go to and selectSummary.
- Identify your partners or shareholders.
- Partner Type (B)can't have an SSN for C, S, P, A, or M Partners and must be blank.
- N Partnersneed to have an FEIN.
- Perform a full recompute and re-create the e-file.