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1. Each Party shall adopt such legislative and other measures as may be necessary, including those permitting the use of special investigative techniques, in accordance with national law, to enable it to facilitate the gathering of evidence related to criminal offences established in accordance with Article 2 to 14 of this Convention and to identify, trace, freeze and seize instrumentalities and proceeds of corruption, or property the value of which corresponds to such proceeds, liable to measures set out in accordance with paragraph 3 of Article 19 of this Convention.
2. Each Party shall adopt such legislative and other measures as may be necessary to empower its courts or other competent authorities to order that bank, financial or commercial records be made available or be seized in order to carry out the actions referred to in paragraph 1 of this article.
3. Bank secrecy shall not be an obstacle to measures provided for in paragraphs 1 and 2 of this article.