Instructions for Form ST-1-X, 003 Amended Sales and Use Tax and E911 Surcharge Return - Illinois

Form ST-1-X Amended Sales and Use Tax and E911 Surcharge Return - Illinois

This document contains official instructions for Form ST-1-X , and Form 003 . Both forms are released and collected by the Illinois Department of Revenue. An up-to-date fillable Form ST-1-X is available for download through this link.

FAQ

Q: What is Form ST-1-X?
A: Form ST-1-X is the Amended Sales and Use Tax and E911 Surcharge Return in Illinois.

Q: What is the purpose of Form ST-1-X?
A: The purpose of Form ST-1-X is to report any amendments or changes to the previously filed Sales and Use Tax and E911 Surcharge Return.

Q: Who needs to file Form ST-1-X?
A: Anyone who needs to report amendments or changes to their previously filed Sales and Use Tax and E911 Surcharge Return in Illinois needs to file Form ST-1-X.

Q: When is Form ST-1-X due?
A: Form ST-1-X is due on or before the 20th day of the month following the end of the reporting period.

Q: What information do I need to complete Form ST-1-X?
A: To complete Form ST-1-X, you will need your original Sales and Use Tax and E911 Surcharge Return information, as well as any amendments or changes you need to report.

Q: Are there any penalties for not filing Form ST-1-X?
A: Yes, there may be penalties for not filing Form ST-1-X or for filing it late. It is important to submit the amended return on time to avoid any penalties or interest charges.