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US law
Illinois
Regulations
Title 86 — REVENUE
CHAPTER I: DEPARTMENT OF REVENUE
Part 100 — INCOME TAX
Subpart R
Illinois · Regulations
Subpart R
1 section
1 section
86 Ill. Adm. Code 100.6000
Payment on Due Date of Return (IITA Section 601)
Subpart R | Illinois Regulations | Justis AI