The following excerpt is from D. B. v. Parkland School Division No. 63 Saskatchewan, 2004 SKCA 113 (CanLII):
Striking out of a third party claim is a discretionary matter. A court of appeal will only interfere with this type of discretionary order if some question of principle is involved or some injustice will result. See The City of Toronto v. British American Oil Co. and A.C. v. H.I.S. V. ANALYSIS OF ISSUE
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