1. a) Letters of the English alphabet include upper case or capital letters only; no distinction as to type face or font is recognized.
2. b) Arabic numerals include: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
3. c) Roman numerals characters include: I, V, X, L, C, D, M
4. d) Symbols recognized by the Secretary of State include: @ # $ % & * ( ) _ + = : " ; / ? , .

The limited liability company name must consist of letters of the English alphabet, Arabic or Roman numerals, and/or symbols capable of being readily reproduced by the Office of the Secretary of State [805 ILCS 5/4.05].

(Source: Amended at 20 Ill. Reg. 7050, effective May 8, 1996)