17 CAR § 54-104
(a)
(1) An establishment owner, mobile salon owner, school owner or postsecondary school owner and the person in charge of any such establishment, mobile salon, school of cosmetology or postsecondary school of cosmetology, or body art institution shall be liable for implementing and maintaining this part in the:
(2) This shall be done individually and jointly with all persons employed by or working in or on the premises of such:
(b)