(a) Any person who is under an oath or affirmation which has been lawfully administered and who willfully testifies falsely regarding a material matter in a trial of any person, corporation or other legal entity for a felony, or before any grand jury which is considering a felony indictment, shall be guilty of the felony offense of perjury.
(b) Any person who induces or procures another person to testify falsely regarding a material matter in a trial of any person, corporation or other legal entity for a felony, or before any grand jury which is considering a felony indictment, shall be guilty of the felony offense of subornation of perjury.