Artikel 12

1. Under the conditions provided for in its national law, the State Party in whose territory a crime set out in article 9 has been committed shall, if it has reason to believe that an alleged offender has fled from its territory, communicate to the Secretary-General of the United Nations and, directly or through the Secretary-General, to the State or States concerned all the pertinent facts regarding the crime committed and all available information regarding the identity of the alleged offender.
2. Whenever a crime set out in article 9 has been committed, any State Party which has information concerning the victim and circumstances of the crime shall endeavour to transmit such information, under the conditions provided for in its national law, fully and promptly to the Secretary-General of the United Nations and the State or States concerned.