Decree No. 4/2011 approving the amendments to the Protocol of Montreal relating to substances that deplete the ozone layer. Country/Territory Cabo Verde Document type Regulation Date 2011 Source FAO, FAOLEX Original source Boletim Oficial, I Serie, No. 24, 18 July 2011, pp. 848-852. Subject Air & atmosphere Keyword Ozone layer Geographical area Africa, Atlantic Ocean Islands, North Atlantic, Sahel, Small Island Developing States, Western Africa Entry into force notes This Decree enters into force on the day after its publication. Abstract This Decree, consisting of 2 articles, approves the amendments to the Protocol of Montreal relating to substances that deplete the ozone layer. The original text of the amendments to the aforementioned Protocol (signed in Bejing on 3 December 1999) is appended to this Decree in English. Full text Portuguese