This document contains official instructions for Form ST-556-X , and Form 017 . Both forms are released and collected by the Illinois Department of Revenue.
Q: What is Form ST-556-X?A: Form ST-556-X is an amended sales tax transaction return in Illinois.
Q: When should I use Form ST-556-X?A: You should use Form ST-556-X when you need to make changes or correct errors on a previously filed sales tax transaction return in Illinois.
Q: How do I fill out Form ST-556-X?A: You need to provide your identifying information, indicate the original return information that needs to be corrected, and provide the corrected information in the appropriate sections of the form.
Q: Are there any filing fees for Form ST-556-X?A: No, there are no filing fees for submitting Form ST-556-X.
Instruction Details:
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