The officers from foreign countries, who carry out the investigation, are allowed to participated in the activity of joint investigation groups.
The group acts according to its own competence, which is provided in the agreement, and following the legislation of the State in which it is formed and in which the actions of the group take place. Only on the bases of the mutual agreement of the States participating and following the same order, under which the agreement of group formation was made, the term of group existence may be prolonged and the objectives and conditions may be changed.