1. a) Step 1: Filers must contact the Office of Electronic Filing.
2. b) Step 2: Filers must transmit the test returns from the IL-1347 test package using their electronic filing software.
3. c) Step 3: When the transmitter has received acknowledgement files containing no rejected returns, contact the Office of Electronic Filing.

4. d) Step 4: The Department will review these successful test transmissions and provide feedback to the contact person.

   1. 1) The Department will notify transmitters if any additional errors are encountered.
   2. 2) The transmitter, when not the software developer, must advise the software developer in order to have the software products corrected. Transmitters will re-transmit affected returns to the Department after software corrections are made.
   3. 3) Transmitters who have multiple clients testing through them should expedite the distribution of software updates to avoid recurrence of the same problem or error.
5. e) Step 5: The Department will notify filers when they have passed the IPATS test.

IPATS is a five-step process for software developers and transmitters:

(Source: Amended at 21 Ill. Reg. 2362, effective February 3, 1997)