Apply for a Transmitter Control Code (TCC) to e-file Forms 1099 with the Information Returns Intake System (IRIS). You can apply for an IRIS TCC for: Your business only (issuer) Your business and others (transmitter) Software Developer Your TCC can only be used for IRIS. Access IRIS Application for TCC Each person you list as an authorized user must have an account and an e-Services PIN. To create a PIN, access IRIS Application for TCC. After You Apply Once you get your TCC, you can e-file Forms 1099 with IRIS.
