Southern African Development Community (i) facilitating the appearance of witnesses or the assistance of persons in investigations; U) taking possible measures for location, restraint, seizure, freezing or forfeiture of the proceeds of crime. 6. This Protocol is intended solely for mutual legal assistance between the State Parties. The provisions of this Protocol shall not give rise to a right on the part of any private person to obtain, suppress or exclude any evidence or to impede the execution of a request. 7. This Protocol shall not apply to: (a) the arrest or detention of a person with a view to the extradition of that person; (b) the enforcement in the Requested State of criminal judgments imposed in the Requesting State except to the extent permitted by the laws of the Requested State; or (c) the transfer of persons in custody to serve sentences. ARTICLE 3 CENTRAL AUTHORITIES 1. Each State Party shall designate a Central Authority to make and receive requests pursuant to this Protocol. Such designation shall be communicated to the Member States through the Secretariat. 2. The Central Authorities shall communicate directly with one another for the purpose of this Protocol. Such communication may also be effected through diplomatic channels or through the International Criminal Police Organisation (INTERPOL). ARTICLE 4 EXECUTION OF THE REQUESTS 1. The Central Authority of the Requested State shall promptly execute the request or when appropriate, shall transmit it to the competent authorities having jurisdiction to do so. The competent authorities of the Requested State shall do everything in their power to execute the request. SADC Protocol on Mutual Legal Assistance in Criminal Matters 4