https://www.unodc.org/documents/organized-crime/Publications/Mutual_Legal_Assistance_Ebook_E.pdf
This manual is offered in response to Conference of Parties resolution 5/8 entitled "Implementation of the provisions on international cooperation of the United Nations Convention against Transnational Organized Crime". In that resolution, UNODC was directed to develop a practical guide to facilitate the drafting, transmission and execution of requests for extradition and mutual legal assistance. The manual is intended for by central and other competent national authorities, policy makers and criminal justice practitioners including lawyers, investigators, judges and magistrates who are involved international legal assistance.