The Parties to the present Convention shall communicate to the Secretary-General of the United Nations such laws and regulations as have already been promulgated in their States, and thereafter annually such laws and regulations as may be promulgated, relating to the subjects of the present Convention, as well as all measures taken by them concerning the application of the Convention. The information received shall be published periodically by the Secretary-General and sent to all Members of the United Nations and to non-member States to which the present Convention is officially communicated in accordance with article 23.