(i) In cases in which there has been a conviction

of a felony charge but not a conviction of a capital felony charge, the file, all exhibits and the tran- scripts of all proceedings held in the matter shall be destroyed upon the expiration of twenty years from the date of disposition or upon the expiration of the sentence, whichever is later. (j) In cases in which there has been a conviction of a capital felony charge, the file, all exhibits and the transcripts of all proceedings held in the matter shall be destroyed upon the expiration of seventy- five years from such conviction. (k) The file and records in any case in which an individual is adjudged a youthful offender shall be retained for ten years. (l) The file in any case in which the disposition is not guilty by reason of mental disease or defect shall be retained for seventy-five years. (m) Investigatory grand jury records shall be retained permanently. (P.B. 1978-1997, Sec. 403E.) (Amended June 29, 1998, to take effect Jan. 1, 1999; amended June 30, 2003, to take effect Jan. 1, 2004; amended June 29, 2007, to take effect Jan. 1, 2008; amended June 22, 2009, to take effect Jan. 1, 2010.)