Question 17/III - Occasional provision of circuits for international sound and television programme transmissions (continuation of Question 18/III studied in 1985-1988) Revision of the provisions of Recommendation D.180 on the ordering procedures and charging principles for the occasional provision of circuits used for sound and television programme transmissions Reasons for the study In view of the continual change and development in sound and television programme transmissions between countries and continents, the provisions of this Recommendation should be regularly reviewed.