A. It shall be unlawful to allow a person who is younger than 21 years of age to enter or be on the premises of a sexually oriented business at any time the sexually oriented business is open for business.
B. It shall be the duty of the operator of each sexually oriented business to ensure that an attendant is stationed at each public entrance to the sexually oriented business at all times during such sexually oriented business's regular business hours. It shall be the duty of the attendant to prohibit any person under the age of 21 years from entering the sexually oriented business. It shall be presumed that an attendant knew a person was under the age of 21 unless such attendant asked for and was furnished:
(1) A valid operator's, commercial operator's, or chauffeur's driver's license.
(2) A valid personal identification certificate issued by the State of Pennsylvania and a picture identification card reflecting that such person is 21 years of age or older.
C. Violation of this section shall constitute a misdemeanor.