There is no one-size-fits-all answer to this question, as the best way to stop sponsorship in Canada will vary depending on the sponsorship agreement in place between the company and the athlete. However, some tips on how to stop sponsorship in Canada include:-Making sure that the sponsorship agreement is up-to-date and includes all necessary information-Reviewing the sponsorship agreement regularly and ensuring that any changes or updates are made-Making sure that any financial benefits associated with the sponsorship agreement are properly accounted for-Administering any necessary ethics and compliance checks