(cf SCR Part 51, rule 18)(1) A respondent who wishes to seek the discharge or variation of the decision below (or part of the decision below) may file and serve a notice of cross-appeal.Note. A respondent to an appeal who is entitled to cross-appeal should file a notice of cross-appeal only if the respondent wishes to vary the decision below. If the respondent wishes to have the decision below affirmed on grounds other than those relied on by the court below, the respondent should file and serve a notice of contention as provided by rule 51.40 rather than a notice of cross-appeal. If the respondent objects to the competency of the appeal, the respondent should file and serve a notice of objection to the competency of the appeal as provided by rule 51.41.(2) A notice of cross-appeal must be filed and served on each necessary party:(a) if the notice of cross-appeal is filed pursuant to leave to cross-appeal—within 7 days after leave to cross-appeal is given or such other time as the Court may fix, or(b) in any other case—within:(i) 14 days after the filing of a summons seeking leave to appeal or a notice of appeal, whichever is the earlier, or(ii) such other time as the Court may fix.(3) The Court may extend time under subrule (2) (a) or (b) (ii) at any time.(4) A party applying for an extension under subrule (2) must lodge and serve the draft notice of cross-appeal with the application.