Question 10/III - Tariff principles in the international public telegram service, including the phototelegraph service (continuation of Question 11/III studied in 1985-1988) (To be studied in liaison with Study Group I.) Study of possible amendments and additions to the D-Series Recommendations relating to charging and accounting in the international public telegram service. Reasons for the study These Recommendations will require continuing study in the light of experience and new developments in telecommunications.