I'm taking he liberty of starting a new thread to draw attention to phil's post, as it would probably get missed by most contributors due to the thread title, Unsigned forms - The Scottish Experience??.
So,
1) What is the bit of law that says a device must be type approved?
We know it to be the case, and have read about it, but where is it?
2) Likewise, what bit of law says that any conditions must have been complied with? (Also referred to in that BBC story).
3) Where can we get a type approval certificate or whatever official document says it's type approved to see what conditions (which presumably includes calibration requirements, as opposed to just ACPO guidelines) it contains?
In two trials I have seen, this was never produced by the prosecution, and it now appears that one of the devices wasn't even type approved.
BTW, Phil is particularly interested in the Kustom Pro-Laser II with video recording, which does, at least, appear to be type approved.