[46] What is clear, however, based on s. 2 of the Act, is that there is no general common law duty of care, based on proximity principles, owed by an adjacent property owner or tenant in respect of sidewalks that abut that person's property. (slaw.ca)
Their reasoning expresses both general skepticism that incremental interpretation of precedent can definitively guide duty of care analysis in close cases, and specific doubts that the available precedents that had identified general common law duties for public authorities were relevant to the situation in Robinson [96]. (feedspot.com)
In most of Canada, it doesn't appear that there is any recognized common law duty to provide a letter of reference. (slaw.ca)