“…decision issued by a public authority is legally valid until quashed by the court(see the speech of Lord Radcliffe in Smith v East Elloe Rural District Council [1956] A.C. 736, at pp.769 and 770, and the judgment of Lord Reed in R. (on the application of Majera) v Secretary of State for the Home Department [2021] UKSC 46; [2022] A.C.…”
“… could not reasonably have been expected to be aware of it, the six-week time limit has been held to be absolute (see Smith v East Elloe Rural District Council [1956] A.C. 736, Routh v Reading Corporation (1970) 217…”