Commonwealth Consolidated Regulations Commonwealth Consolidated RegulationsWhere, pursuant to this Order, a court expert has made a report on any question:
(a) any party may adduce evidence of one other expert on the same question, but only if he has, at a reasonable time before the commencement of the trial, hearing or examination at which he adduces the evidence, given to the other interested parties notice of his intention to do so; but
(b) subject to paragraph (a), a party shall not adduce evidence of any other expert on the same question, except with the leave of the Court.