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The main objective of this United Nations Office on Drugs and Crime handbook is to provide information and guidelines to assist national prison or corrections administrations with the development of policies and protocols for the implementation and operation of an effective system of prisoner classification that meets international standards and is based on accepted research evidence.

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These links are being provided as a convenience and for informational purposes only; they do not constitute an endorsement or an approval by the National Institute of Corrections (NIC) of any of the products, services or opinions of the corporation or organization or individual. NIC bears no responsibility for the accuracy, legality or content of the external site or for that of subsequent links. Contact the external site for answers to questions regarding its content.

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