Publication 1187›Part B›Data Communications›INTENTIONALLY LEFT BLANK
Sec. 2 Connecting to FIRE System
0925 Publ 1187 (PDF) · 2026-10-03 edition · updated 2026-10-04 · United States
Each user must obtain a TCC before you can establish a FIRE account to transmit files through the FIRE Systems (Production and Test). The system will prompt you to create your User ID, password, 10-digit Personal Identification Number (PIN) and secret phrase. Each user must create their individual FIRE account and login credentials. Multiple FIRE accounts can be created under one TCC. Refer to the FIRE webpage for additional information on account creation. The FIRE Production System and the FIRE Test System are two different sites that don’t communicate with each other. If you plan on sending a production file and a test file, you’ll need an account on each system.
You must enter your TCC, EIN and Business Name exactly as it currently appears on your IR Application for TCC. Once you log in, your information will fill in automatically when you submit files.
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