Ill. Admin. Code tit. 77, § 797.400
b) A body artist/apprentice shall be a minimum of 18 years of age.
d) Smoking is prohibited in the body art establishment.
l) Before the oral cavity of a person under 18 years of age may be pierced, the written consent form signed by the parent or legal guardian must contain a provision in substantially the following form:
I understand that the oral piercing of the tongue, lips, cheeks, or any other area of the oral cavity carries serious risk of infection or damage to the mouth and teeth, or both infection and damage to those areas, that could result in but is not limited to nerve damage, numbness, and life threatening blood clots. (Section 12-10.1 of the Criminal Code of 1961)