In federal or multi-jurisdictional regulation systems there could exist conflicts between the different decreased appellate courts. Sometimes these differences is probably not resolved, and it may be necessary to distinguish how the regulation is applied in one district, province, division or appellate department. These past decisions are called "case regulation", https://elliotunbnz.blogzet.com/the-best-side-of-compromise-in-family-appeal-case-law-54065185