9U.K.In section 566 of that Act (general powers to make regulations), after subsection (2) there shall be inserted the following subsection—
“(3)Any power under this Chapter to make regulations prescribing the evidence required for establishing what is likely to happen at any time shall include power to provide for such matters to be presumed (whether conclusively or unless the contrary is shown in the manner provided for in the regulations) from evidence of what has previously happened.”