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This version of the form is not currently in use and is provided for reference only. Download this version of
Instructions for Schedule SUB (UB)
for the current year.
Instructions for Schedule SUB (UB) Subgroup Schedule - Illinois
This document contains official instructions for Schedule SUB (UB) , Subgroup Schedule - a form released and collected by the Illinois Department of Revenue.
FAQ
Q: What is Schedule SUB (UB) Subgroup Schedule?
A: Schedule SUB (UB) Subgroup Schedule is a document that outlines the schedule of subgroups for the state of Illinois.
Q: What does SUB (UB) stand for?
A: SUB (UB) stands for Subgroup Schedule – Underfrequency and Undervoltage Blocking.
Q: What is the purpose of the SUB (UB) Subgroup Schedule?
A: The purpose of the SUB (UB) Subgroup Schedule is to coordinate and manage the underfrequency and undervoltage blocking program in Illinois.
Q: Who is responsible for creating the SUB (UB) Subgroup Schedule?
A: The SUB (UB) Subgroup Schedule is created by the responsible authorities in the state of Illinois.
Instruction Details:
- This 3-page document is available for download in PDF;
- Might not be applicable for the current year. Choose a more recent version;
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