serious end of the business, page-8

50.11 Notice of contention

(cf SCR Part 14, rule 3, Part 51A, rule 13)

(1) This rule applies if the defendant wishes to contend that the decision of the court below should be affirmed on grounds other than those relied on by the court below, but does not seek a discharge or variation of any part of that decision.

Heatgate would be the defendant.