Just means that everything technical comes up for periodic review, and many documents simply get up-issued - i.e. a new date review with no changes.- it just ensures that someone has checked. It is more common with things like first aid certificates and health and safety in case the 'best practice'  or recommended treatment has changed. A simple way to ensure everyone is at leat more or less up to date -

Of course it may not have actually been reviewed yet... I can't imagine it is the most life critical thing to review in the NHS in the last year or two.

Mike.

Indeed, but I was hoping to be able to pre-empt the "that's no longer valid" that I may get...

If you want something that's current, the Scope of BS 1363-2:2023 (as with the previous BS 1363-2:2016 and its amendment in 2018) contains the following statement:

Socket-outlets conforming to this standard are shuttered and therefore do not require the use of additional means to shield the current carrying contacts when no plug is present in the socket-outlet.

That's straight from the horse's mouth, as it were - effectively, the UK socket-outlet already incorporates safety shutters, rendering socket covers used in other countries as unnecessary. Further, the statement also implies that UK socket-outlet is not intended for use with socket covers, and further the covers (that don't conform to other parts of BS 1363) might either damage the socket-outlet, or defeat one or more of its safety provisions (examples shown on Fatally Flawed website of course!