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 numeral characters include: I, V, X, L, C, D, M
4. d) Symbols recognized by the Secretary of State include: ! @ # $ % & * ( ) - = + : " ; ' / ? , .

The Corporate 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(a)(6)].

(Source: Amended at 20 Ill. Reg. 7026, effective May 8, 1996)