earnestly fulfilled the duties and obligations and adopted and adjusted border exit health and quarantine measures in a scientific and timely fashion in accordance with the Border Health and Quarantine Law of the People’s Republic of China and the Law of the People’s Republic of China on Preven...
Declaration of the United Nations Conference on the Human Environment (UN Doc A/Con/48/14Rev.1 1973). Principle one was not, however, acknowledged at the time to be an expression of international customary law – see Handl (2001), p. 307. See also United Nations (1987). 9. The Rio ...