Nevertheless, where such a language or languages represent a substantial part but not all of the channel’s transmission time, Articles 16 and 17 should not apply to that part of transmission time.

- A progressive de-standardisation of individual working time, with increasing variation of working times throughout the year or the working life, along with more flexible practices in companies (flexitime, annualisation of working hours, time banks, time credits, etc.).

(37) Whereas it is important for the competent national authorities, in monitoring the implementation of the relevant provisions, to be able to distinguish, as regards channels not exclusively devoted to teleshopping, between transmission time devoted to teleshopping spots, advertising spots and other forms of advertising on the one hand and, on the other, transmission time devoted to teleshopping windows; whereas it is therefore necessary and sufficient that each window be clearly identified by optical and acoustic means at least at the beginning and the end of the window;

(34) Whereas daily transmission time allotted to announcements made by the broadcaster in connection with its own programmes and ancillary products directly derived from these, or to public service announcements and charity appeals broadcast free of charge, is not to be included in the maximum amounts of daily or hourly transmission time that may be allotted to advertising and teleshopping;

(29) Whereas channels broadcasting entirely in a language other than those of the Member States should not be covered by the provisions of Articles 4 and 5; whereas, nevertheless, where such a language or languages represent a substantial part but not all of the channel's transmission time, the provisions of Articles 4 and 5 should not apply to that part of transmission time;

1. The amount of advertising shall not exceed 15 % of the daily transmission time.