Section 3 - Uniform Capital Sentence Report; Sentence Investigation Report(a) Whenever the death penalty is imposed, the trial judge shall expeditiously complete and file in the record a Uniform Capital Sentence Report (see Appendix "B"). The trial court may call upon the district attorney, defense counsel and the department of probation and parole of the Department of Corrections to provide any information needed to complete the report.(b) The trial judge shall cause a sentence investigation to be conducted and the report to be attached to the uniform capital sentence report. The investigation shall inquire into the defendant's prior delinquent and criminal activity, family situation and background, education, economic and employment status, and any other relevant matters concerning the defendant. This report shall be sealed, except as provided below.(c) Defense counsel and the district attorney shall be furnished a copy of the completed Capital Sentence Report and of the sentence investigation report, and shall be afforded seven days to file a written opposition to their factual contents. If the opposition shows sufficient grounds, the court shall conduct a contradictory hearing to resolve any substantial factual issues raised by the reports. In all cases, the opposition, if any, shall be attached to the reports.(d) The preparation and lodging of the record for appeal shall not be delayed pending completion of the Uniform Capital Sentence Report.