Illinois · Regulations
Part 100 — INCOME TAX
118 sections
22 groups
- Subpart A1 section
- Subpart B28 sections
- Subpart C6 sections
- Subpart D5 sections
- Subpart E8 sections
- Subpart F3 sections
- Subpart G3 sections
- Subpart I1 section
- Subpart J3 sections
- Subpart K3 sections
- Subpart L2 sections
- Subpart M5 sections
- Subpart N1 section
- Subpart O2 sections
- Subpart P7 sections
- Subpart Q4 sections
- Subpart R1 section
- Subpart S8 sections
- Subpart T2 sections
- Subpart V13 sections
- Subpart W1 section
- Subpart Z1 section
10 sections filed directly here
- 86 Ill. Adm. Code 100.9320Limitations on Notices of Deficiency (IITA Section 905)
- 86 Ill. Adm. Code 100.9330Further Notices of Deficiency Restricted (IITA Section 906)
- 86 Ill. Adm. Code 100.9400Credits and Refunds (IITA Section 909)
- 86 Ill. Adm. Code 100.9410Limitations on Claims for Refund (IITA Section 911)
- 86 Ill. Adm. Code 100.9500Access to Books and Records (IITA Section 913)
- 86 Ill. Adm. Code 100.9505Access to Books and Records -- 60-Day Letters (IITA Section 913) (Repealed)
- 86 Ill. Adm. Code 100.9700Unitary Business Group Defined (IITA Section 1501)
- 86 Ill. Adm. Code 100.9715Transportation Companies (IITA Section 304(d))
- 86 Ill. Adm. Code 100.9750Corporation, Subchapter S Corporation, Partnership and Trust Defined (IITA Section 1501)
- 86 Ill. Adm. Code 100.9910State Tax Preparer Oversight Act [35 ILCS 35]