The need to design, implement & enforce effective regulatory, legislative & policy frameworks to support the phase-out of ozone depleting substances (ODSs) is an urgent concern of many countries. This Guidebook is of great assistance to those responsible for structuring & drafting regulations to control & eliminate the use of ODSs. It provides a brief overview of the structure & strategies in existing ODS regulations which encompasses all governmental directives of a legally-binding nature. It also includes information about governmental guidelines, voluntary agreements & cooperation with industry, cooperation with industry associations, economic disincentives & labelling schemes.