(a) Except when required to do so by law, a person who has been present at a grand jury proceeding and who knowingly or intentionally discloses:

1. (1) any evidence or testimony given or produced;
2. (2) what a grand juror said; or

3. (3) the vote of any grand juror;

   to any other person, except to a person who was also present or entitled to be present at that proceeding or to the prosecuting attorney or his representative, commits unauthorized disclosure of grand jury information, a Class B misdemeanor.

(b) The transcript of testimony of a witness before a grand jury may be produced only:

1. (1) for the official use of the prosecuting attorney; or

2. (2) upon order of:

   1. (A) the court which impaneled the grand jury;
   2. (B) the court trying a case upon an indictment of the grand jury; or

   3. (C) a court trying a prosecution for perjury;

      but only after a showing of particularized need for the transcript.

      As added by Acts 1981, P.L.298, SEC.3. Amended by P.L.312-1985, SEC.4.