11. Where there are reasonable grounds to believe that a person in a Commonwealth country could give evidence or assistance relevant to a criminal matter, a request may be transmitted requesting the country to assist in arranging the attendance of the person in Guyana to give that evidence or assistance.
26. (3) On the application of the central authority for Guyana, any Court may issue a summons or subpoena in accordance with any applicable rules of court to compel a person to give evidence in the Court for the purposes of this section.
30. (2) (2) Where this section applies, the central authority for Guyana shall –
inquire whether or not the person concerned is willing to attend as requested;
inform the central authority for requesting country as to the outcome of the inquiry; and
if the person is willing to attend as requested, make appropriate arrangements to facilitate that attendance.
1. Les États Parties font droit, conformément aux dispositions du présent chapitre et aux procédures prévues par leur législation nationale, aux demandes d'assistance de la Cour liées à une enquête ou à des poursuites et concernant :
e) Les mesures propres à faciliter la comparution volontaire devant la Cour de personnes déposant comme témoins ou experts ;