(1) The credibility rule does not apply to evidence given by a witness in re-examination.
(2) The credibility rule does not apply to evidence of a prior consistent statement of a witness if—
(a) evidence of a prior inconsistent statement of the witness has been admitted; or
(b) it is or will be suggested (either expressly or by implication) that evidence given by the witness has been fabricated or reconstructed (whether deliberately or otherwise) or is the result of a suggestion;
and the court gives leave to present the evidence of the prior consistent statement.