Subject: delivery of written summaries of the proposed evidence of witnesses in advance of trial. (bernardllp.ca)
In order for such evidence to be admitted, however, it had to be truly responsive to the expert evidence of a witness called by the opposing party. (bc-injury-law.com)
(6) The arbitration tribunal, on such terms as are necessary to prevent prejudice, may allow a party to introduce into evidence a document not disclosed under Rule 23 (5), or introduce oral evidence of a witness not disclosed under this Rule. (bcicac.com)