2.4 An Advertisement relating to an Audiotext Hosting Services containing Specialist Information or endorsement must clearly indicate: (a) The identity, current status and relevant professional qualification and experience of the person(s) involved; or (b) The identity of the professional association, statutory authority or government department involved. Content Designed for Children and Young Persons or Dependent Persons 2.5 Audiotext Hosting Services designed for, either wholly or mainly, and aimed at an audience of children, young persons or dependent persons must not (a) Include references to sexual practices, language or materials that are offensive to the standards of decency prevailing among those likely to be exposed to them; (b) Involve any information or noise or sound effect likely to alarm any child or young person, or of other dependent person, having regard to special protection for such dependent persons; and (c) Force or unfairly cause any of the above persons, mentioned in this paragraph to dial additional telephone numbers. 2.6 Advertisement of services aimed at young persons/children, must carry the following warning messages: "This call costs RMX.XX per minute/per call. Callers under 18 must seek parent’s or guardians approval before calling". 3.0 Copyright 3.1 Audiotext Hosting Services shall respect copyright ownership of recorded announcements or interactive Content and shall not utilise part or all of the Content from another medium without the permission of the copyright owner. 55