One of the Main Provisions of the Montreal Protocol Is

One of the main provisions of the Montreal Protocol is

A) requirements for individual countries to phase out the production and consumption of designated substances
B) a multilateral fund where contributions from industrialized countries are used to support the activities from developing countries toward achieving controls assigned in the agreement
C) A provision for trade restrictions, banning trade in the designated substances between signatories and nonsignatories
D) all of the above