UNODC MLA Writer Tool

The Mutual Legal Assistance Request Writer Tool (MLA Tool) was developed by UNODC to assist criminal justice practitioners in drafting expeditiously MLA requests, thereby enhancing cooperation between States and accelerating responses to such requests. In its revised and expanded version, the Tool is an HTML-based stand-alone application, capable of running on all devices. It provides guidance to practitioners through each step of the drafting process and further helps them draft MLA requests by filling in all appropriate and relevant information.

Communications from central authorities regarding working and emergency measures as a result of the health crisis caused by COVID-19. To access the list of emergency measures, please address a request to and

The online directory of Competent National Authorities is a password protected tool, listing over one thousand competent national authorities designated under: (1) the 1988 United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances, (2) the United Nations Convention against Transnational Organized Crime and the Protocols thereto, (3) the United Nations Convention against Corruption and (4) other applicable legal instruments, such as Security Council resolution 2322 (2016)General Assembly resolution 68/186 and decisions 3/2 and 4/2 of the Conference of the Parties to the Convention against Transnational Organized Crime. Open the CNA Directory.

Manual on Mutual Legal Assistance and Extradition (2012): Arabic - Chinese - English - French - Russian - Spanish

Manual on International Cooperation for the Purposes of Confiscation of Proceeds of Crime (2012): English - French - Spanish

Handbook on the International Transfer of Sentenced Persons (2012): English

Practical guide for competent national authorities under article 17 of the United Nations Convention against Illicit Trafficking in Narcotic Drugs and Psychotropic Substances of 1988

Arabic - Chinese - English - French - Russian - Spanish

Practical Guide for Requesting Electronic Evidence Across Borders (2019): English