31.19 Parties to seek directions before calling expert
(1) Any party:
(a) intending to adduce expert evidence at trial,
(b) to whom it becomes apparent that he or she, or any other party,
may adduce expert evidence at trial,
must promptly seek directions from the court in that
(2) Directions under this rule may be sought at any directions hearing
or case management conference or, if no such hearing or conference has been
fixed or is imminent, by notice of motion or pursuant to liberty to
(3) Unless the court otherwise orders, expert evidence may not be
adduced at trial:
(a) unless directions have been sought in accordance with this rule,
(b) if any such directions have been given by the court, otherwise
than in accordance with those directions.
(4) This rule does not apply to proceedings with respect to a
professional negligence claim.