Each schedule and table entails a specific control regime.[6] According to article 3 of the 1961 Convention, article 2 of the 1971 Convention and article 12 of the 1988 Convention, the CND decides on the addition of substances to the schedules/tables, as well as the transfer or deletion of substances.[7] States Parties can request a review of the scheduling decisions of the CND by the ECOSOC following article 3 (8) of the 1961 Convention, article 2 (8) of the 1971 Convention and article 12 (7) of the 1988 Convention.[8]