As used in this subchapter:
(1) “Mailable matter” means:
(A) Printed or written matter or material having second-class mailing privileges under the laws of the United States; or
(B) Any other printed or written matter or material that has not been determined to be nonmailable under the laws of the United States;
(2) “Obscene” means that to the average person, applying contemporary community standards, the dominant theme of the material taken as a whole appeals to prurient interest;
(3) “Person” means any individual, partnership, firm, association, corporation, or other legal entity; and
(4)
(A) “Printed or written matter or material” means any book, pamphlet, magazine, periodical, newspaper, picture magazine, comic book, story paper, or other printed or written matter.
(B) “Printed or written matter or material” does not include written or printed matter or material used by or in any recognized religious, scientific, or educational institution.