Second, there are legislative facts used to establish the background basis for legislation and provide an understanding of the social, economic and cultural context in which the law was enacted. (duhaime.org)
It's the rare legislative fact that could not be reasonably questioned. (slaw.ca)
'' (A) uthorities have drawn a distinction between legislative facts, those which help determine the content of law and policy, and adjudicative facts, facts concerning the parties and events of a particular case. (duhaime.org)