sellers wrote:
hi, all i am after is the basic laws of mobile cameras?
There are no laws, only guidelines.
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what signs they need?
None.
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what distances they have to cover your speed?
A little under half a second if I remember correctly, if we are talking about the LTI20/20 (laser camera van).
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can they do tax discs?
The speed camera vans don't at the moment but ANPR can. The two may be combined at some time in the future.
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also can they prosecute u for having a front numberplate in the window?
If it does not meet the standards required for visibility, which I suspect would be the case, then yes. Not likely to come from a mobile camera but I wouldn't put it past them to take down your reg and have it chased up.