R152-1a-4. Acceptable Rating Methods

(1) A content provider's rating method is acceptable when: (a) the content provider rates material harmful to minors with one of the following labels: (i) "XXX" in capital letters; (ii) "xxx" in lower case letters; or (iii) "-NFM-" which consists of the letters NFM in capital letters, immediately preceded and followed by a single hyphen, en dash, or em dash; and (b) the label described in Subsections R152-1a-4(1)(a)(i) through (iii) is placed in at least one of the following locations: (i) if the material harmful to minors is contained in an Internet website: (A) within the website's URL; or (B) within the first 300 characters of the website's HTML; (ii) if the material harmful to minors is contained in an email message: (A) in the email message's first 300 characters; (B) in the email message's subject line; (C) in the email message's return address; or (D) in any descriptive header in the email message; or (iii) if the material harmful to minors is contained in a chat room message or any other instant message: (A) within the chat room message or instant message's first 300 characters; or (B) within the personal identification of the chat room message or other instant message's sender.