In federal or multi-jurisdictional legislation systems there could exist conflicts between the various lessen appellate courts. Sometimes these differences is probably not resolved, and it may be necessary to distinguish how the law is applied in one district, province, division or appellate department. These past decisions are called "case regulation", https://gregoryhvhsc.goabroadblog.com/36966801/fascination-about-case-laws-on-right-of-eductaions