934. Ascertainment of purposes of an institution.

Where an institution has a written constitution or charter, this is generally the best evidence of the purposes for which it was instituted1. In considering whether the purposes for which an institution was originally instituted were or were not exclusively scientific, no assistance can be obtained by a consideration of byelaws made after the grant of its charter2. However, if it has no written constitution or charter or its written constitution or charter is not clear as to its purposes, regard may be had to the purposes which it has in fact pursued