The Extradition (Drug Trafficking) Order 1991

1.  The Parties shall co-operate closely with one another, consistent with their respective domestic legal and administrative systems, with a view to enhancing the effectiveness of law enforcement action to suppress the commission of offences established in accordance with article 3, paragraph 1. They shall, in particular, on the basis of bilateral or multilateral agreements or arrangements:

(a) Establish and maintain channels of communication between their competent agencies and services to facilitate the secure and rapid exchange of information concerning all aspects of offences established in accordance with article 3, paragraph 1, including, if the Parties concerned deem it appropriate, links with other criminal activities;

(b) Co-operate with one another in conducting enquiries, with respect to offences established in accordance with article 3, paragraph 1, having an international character, concerning:

(i) The identity, whereabouts and activities of persons suspected of being involved in offences established in accordance with article 3, paragraph 1;

(ii) The movement of proceeds or property derived from the commission of such offences;

(iii) The movement of narcotic drugs, psychotropic substances, substances in Table I and Table II of this Convention and instrumentalities used or intended for use in the commission of such offences;

(c) In appropriate cases and if not contrary to domestic law, establish joint teams, taking into account the need to protect the security of persons and of operations, to carry out the provisions of this paragraph. Officials of any Party taking part in such teams shall act as authorized by the appropriate authorities of the Party in whose territory the operation is to take place; in all such cases, the Parties involved shall ensure that the sovereignty of the Party on whose territory the operation is to take place is fully respected;

(d) Provide, when appropriate, necessary quantities of substances for analytical or investigative purposes;

(e) Facilitate effective co-ordination between their competent agencies and services and promote the exchange of personnel and other experts, including the posting of liaison officers.