Ill. Admin. Code tit. 68, § 1370.740
b) The fighting area shall be approved by the Division, including all padding or enclosures. Fighting areas that are not approved by the Division shall not be used. The fighting area shall meet the following requirements:
1) The fighting area:
2) When fighting area ropes are used, the post:
3) The fence or cage specifications for martial arts and mixed martial arts are: