Title international conference on air law the hague december 1970 proceedings meeting name international conference on air law 1970 the hague netherlands added corporate author international civil aviation organization. This convention shall be open for signature at the hague on 16 december 1970 by states participating in the international conference on air law held at the hague from 1 to 16 december 1970 hereinafter referred to as the hague conference after 31 december 1970 the convention shall be open to all states for signature in moscow london and . The convention was adopted by the international conference on air law at the hague on 16 december 1970 it came into force on 14 october 1971 after it had been ratified by 10 states as of 2013 the convention has 185 state parties. This convention shall be open for signature at the hague on 16 december 1970 by states participating in the international conference on air law held at the hague from 1 to 16 december 1970 hereinafter referred to as the hague conference