BIT MeF Schemas and Business Rules

Schemas, and business rules are located on the FTA’s State Exchange System (SES). To request access to the SES, email your user’s name and email address to Rev.TaxLOI@illinois.gov. You will need to complete the Tax Software Provider Illinois Department of Revenue Letter of Intent, submit it to Rev.TaxLOI@illinois.gov, and obtain approval to access the schemas, and business rules.