Article 23

Each State Party shall adopt such legislative and other measures as may be necessary to establish as criminal offences, when committed intentionally:

(a) The use of physical force, threats or intimidation or the promise, offering or giving of an undue advantage to induce false testimony or to interfere in the giving of testimony or the production of evidence in a proceeding in relation to the commission of offences covered by this Convention;

The use of physical force, threats or intimidation to interfere with the exercise of official duties by a justice or law enforcement official in relation to the commission of offences covered by this Convention. Nothing in this subparagraph shall prejudice the right of States Parties to have legislation that protects other categories of public officials.