(1) This section applies in criminal proceedings.
(2) The hearsay rule, the opinion rule and the credibility rule do not prevent the admission or use of evidence adduced by a defendant that tends to prove that the defendant is, either generally or in a particular respect, a person of good character.
(3) Where evidence that tends to prove that the defendant is generally a person of good character has been admitted, the hearsay rule, the opinion rule and the credibility rule do not prevent the admission or use of evidence that tends to prove that the defendant is not generally a person of good character.
(4) Where evidence that tends to prove that the defendant is a person of good character in a particular respect has been admitted, the hearsay rule, the opinion rule and the credibility rule do not prevent the admission or use of evidence that tends to prove that the defendant is not a person of good character in that respect.