13 2. b) authority to take decisions on behalf of the legal person; c) authority to exercise control within the legal person. In addition to the cases already provided for in paragraph 1 of this Article, each State Party shall take the measures necessary to ensure that a legal person can be held liable where the lack of supervision or control by a natural person referred to in paragraph 1 has made possible the commission of a criminal offence or other unlawful acts established in accordance with the provisions of this Convention for the benefit of that legal person by a natural person acting under its authority. 3. Subject to the legal principles applied by the respective State Party, the liability of a legal person may be criminal, civil or administrative. 4. Such liability of legal persons shall be without prejudice to the liability of the natural persons who have committed the offence and another unlawful act. Section 2. LAW ENFORCEMENT Article 21. Scope of procedural provisions 1. Each State Party shall adopt such legislative and other measures as may be necessary to establish the powers and procedures provided for by the provisions of this Section for the purposes of prevention, suppression, investigation and judicial proceedings. 2. Except as provided otherwise in Article 28 of this Convention, each State Party shall apply the powers and procedures referred to in paragraph 1 of this Article to: (a) the criminal offences and other unlawful acts established in accordance with Articles 6 - 19 of this Convention; (b) other criminal offences and other unlawful acts committed through the ICT; (c) the collection of evidence, including in electronic form, of committing crimes and other unlawful acts.