(1) Any person who owns, operates, maintains or enters a commercial establishment which advertises within 100 feet of the premises of the commercial establishment to the general public that the establishment provides, allows or permits the exhibition or display of specified anatomical areas is presumed to be aware that the exhibition or display of specified anatomical areas is taking place in the establishment.

(2) Any establishment which has received an occupational license to operate commercially is presumed to be a commercial establishment.

(3) An employee, customer or patron of a commercial establishment who engages in straddle dancing may be prosecuted under section 10-171 or 10-173, whichever is more appropriate, but shall be prosecuted under only one of those sections for each offense.

(4) An employee, customer or patron of a commercial establishment who contracts to perform a straddle dance and actually performs the straddle dance may be prosecuted under section 10-171 or 10-173, whichever is more appropriate, but shall be prosecuted under only one of those sections for each offense.

(5) An employer of a commercial establishment who permits, suffers or allows any employee on the premises to perform or participate in a straddle dance may be prosecuted under section 10-171 or 10-173, whichever is more appropriate, but shall be prosecuted under only one of those sections for each offense.