Internal Rule 55 (1), (2) and (3)

<div><b>Rule 55. General Provisions Concerning Investigations</b></div><div><i>(Amended on 6 March 2009</i>)&nbsp;</div><div><br></div><div>1.<span class="Apple-tab-span" style="white-space:pre"> </span>A judicial investigation is compulsory for crimes within the jurisdiction of the ECCC.</div><div><br></div><div>2. The Co-Investigating Judges shall only investigate the facts set out in an Introductory Submission or a Supplementary Submission.</div><div><br></div><div>3. If, during an investigation, new facts come to the knowledge of the Co-Investigating Judges, they shall inform the Co-Prosecutors, unless the new facts are limited to aggravating circumstances relating to an existing submission. Where such new facts have been referred to the Co-Prosecutors, the Co-Investigating Judges shall not investigate them unless they receive a Supplementary Submission.</div>