1. Each State Party shall adopt such legislative and other measures as may be necessary to establish as criminal offences the conduct set forth in article 3 of this Protocol, when committed intentionally.
2. Each State Party shall also adopt such legislative and other measures as may be necessary to establish as criminal offences:
(a) Subject to the basic concepts of its legal system, attempting to commit an offence established in accordance with paragraph 1 of this article;
(b) Participating as an accomplice in an offence established in accordance with paragraph 1 of this article; and
(c) Organizing or directing other persons to commit an offence established in accordance with paragraph 1 of this article.