7.
(2)
(1.g) summon any serving or retired public officer to appear in person before it to produce any document, thing or information that may be considered relevant to the function of the Commission;
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(b) The taking of evidence, including testimony under oath, and the production of evidence, including expert opinions and reports necessary to the Court;