Member States shall ensure that they are preceded by an acoustic warning or are identified by the presence of a visual symbol throughout their duration.";

28. the following Article shall be inserted: "Article 22a

Member States shall ensure that broadcasts do not contain any incitement to hatred on grounds of race, sex, religion or nationality.";

29. the following Article shall be inserted: "Article 22b 1. The Commission shall attach particular importance to application of this

Chapter in the report provided for in Article 26. 2. The Commission shall within one year from the date of publication of this

Directive, in liaison with the competent Member State authorities, carry out an investigation of the possible advantages and drawbacks of further measures with a view to facilitating the control exercised by parents or guardians over the programmes that minors may watch. This study shall consider, inter alia, the desirability of:

the requirement for new television sets to be equipped with a technical device enabling parents or guardians to filter out certain programmes; the setting up of appropriate rating systems, encouraging family viewing policies and other educational and awareness measures,

taking into account experience gained in this field in Europe and elsewhere as well as the views of interested parties such as broadcasters, producers, educationalists, media specialists and relevant associations."