Section 9. Criminal Procedural Duty
(1) In initiated criminal proceedings, each person has the obligation to fulfil the requirements of an authorised official for conducting the criminal proceedings and to comply with the procedural order specified in the Law.

(2) The disputing of the legality and validity of a procedural requirement shall be performed in accordance with the procedures laid down in this Law, yet such disputing does not remove the obligation to fulfil such requirement.

Section 673. Types of International Co-operation

(2) Criminal-legal co-operation with international courts and with courts and tribunals established by international organisations (hereinafter - the international court) shall provide for the transfer of persons to international courts, for procedural assistance for such courts, and for the execution of the rulings of international courts.

Section 702. Extradition Arrest

(1) An extradition arrest may be applied after a request regarding the extradition of a person has been received along with the following:

1) a request of a foreign country regarding the arrest of such person or a judgment that has entered into effect in relation to the specific person;
2) a description of a criminal offence or a decision to hold the person criminally liable;
3) the text of the section of the law on the basis of which the person has been held criminally liable or convicted, and the test of the section of the law that regulates a limitation period;
4) information regarding the person to be extradited.

Section 847. Procedures for the Fulfilment of the Request of a Foreign Country

(1) The request of a foreign country regarding the provision of assistance in the performance of a procedural action shall be fulfilled in accordance with the procedures laid down in this Law.

Section 851. Performance of an Investigative Action by Using Technical Means
(1) A procedural action may be performed by using technical means upon the request of a foreign country or upon a proposal of the institution fulfilling the request and with the consent of a foreign country. A person who has the right to defence may be examined by using technical means provided that the person agrees to it.

(2) A competent official of the country that submitted a request shall perform, in accordance with the procedures of such country, a procedural action using technical means. If necessary, an interpreter shall participate in the performance of such procedural action in Latvia or a foreign country.

(3) A representative of the institution that fulfils a request shall certify the identity of involved persons and ensure the progress of a procedural action in Latvia and the conformity thereof to the basic principles of Latvian criminal procedure.

(4) If, in performing a procedural action, the basic principles of Latvian criminal procedure are violated, a
representative of the institution fulfilling a request shall immediately take measures in order for such operation to continue in accordance with the referred to principles.

(5) A person who has been summoned to provide testimony has the right to not provide testimony also in a case where such non-provision of testimony arises from the laws of the country that submitted the request.

Section 858. Transfer of an Object to a Foreign Country

An object necessary as material evidence may be transferred to a foreign country upon request of such foreign country. If necessary, the competent authority of Latvia shall request guarantees that the object will be returned.

Section 899. Grounds for the Transfer of a Person to an International Court

(1) A person against whom prosecution has been pursued in an international court or who has been transferred to a court may be transferred for criminal prosecution and trial on the basis of the request of such court.

(3) The legal grounds for the transfer of a person to an international court are the basic document of the
establishment of the international court and the provisions of this Law.

Section 901. Examination, Deciding, and Fulfilment of a Request for the Transfer of a Person

(1) A request regarding the transfer of a person to an international court shall be examined, a person shall be detained, arrested, and all the matters related to the request shall be decided and fulfilled in accordance with the procedures laid down in Sections 698-711 of this Law.

(2) A request of an international court regarding the transfer of a person has priority in comparison with an extradition request submitted by another country. If an international court has not itself specified with a decision that a specific case is only under the jurisdiction of the international court, the order of competing requests shall be determined by the competent authority, in conformity with the provisions of Section 709 of this Law.

Section 902. Assistance to an International Court in the Performance of Procedural Actions

(1) The competent authority shall, upon request of an international court, organise and provide to such court the necessary assistance in the performance of procedural actions in an investigation and criminal prosecution. A request may also provide for co-operation in the execution of protection measures of victims and witnesses and measures for the purpose of confiscation, particularly in the interests of victims.

(4) Officials authorised by an international court have the right to perform the necessary procedural actions in the territory of Latvia independently or in co-operation with a competent international organisation or competent Latvia institution. If procedural actions are not related to the application of a compulsory measure, an official authorised by an international court, after consultations with the competent authority of Latvia, may perform such activities without the presence of a representative of the competent authority.