[3] For example, in England, the High Court and also the Court of Appeals are Every bound by their individual previous decisions, however, For the reason that Practice Statement 1966 the Supreme Court from the United Kingdom can deviate from its earlier decisions, Though in practice it hardly ever does. https://garrettedacb.dm-blog.com/34673957/case-law-on-doctrine-of-ultra-vires-no-further-a-mystery