Civil Procedure Rules part 37, Rules 37.3(1) and (2) - Filing of defective notice of discontinuance - Filing of Bills of Costs - Refiling of notice of discontinuance - Second Bill of Cost filed pursuant to Rule 65.20(5) -  Application for default costs certificate -Judgment summons for attorney's  costs - Application to  set aside judgment summons - Whether defective notice of discontinuance can be cured by Court Order - Whether second filing of a bill of costs amounted to an abuse of process.