144. Chancellor's presentation on the scope of the amendment to the Montreal Protocol on substances that deplete the ozone layer, as decided in London
According to the United Nations Secretary-General's notice, on 21 June 2011 Angola adopted its accession document to the London amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer (BGBl. N ° 206/1993, last proclamation of the BGBl area. III, No 105/2010).