Vodafone Live content restriction for release 4. This element should be extended with optional groups as restriction requirements eveolve. Vodafone Live content restriction for release 4. This block models the ICRA http://www.icra.org/ content rating system and allows for simple indication of adult content (by using the VIOLENCE, NUDITY and/or OTHER elements, or more granular rating by including the ICRA ratings as sub-elements. Please see the authoring guide for further details. Provides a single rating 'system' defines the rating system used 'value' is the rating value The name of the rating system being applied The rating value assigned to the content.