burden of proof / keys or plaintext

[lists@notatla.demon.co.uk]

Just got back from a trip ....

>  David Swarbrick wants clarification of:

>  > 20.--(1) Every power which is conferred by an enactment to which
>  > this section applies on a constable who has entered premises in
>  > the exercise of a power conferred by an enactment shall be
>  > construed as including a power to require any information
>  > contained in a computer and accessible from the premises to be
>  > produced in a form in which it can be taken away and in which it
>  > is visible and legible.


I'd imagine that the government has heard of the internet by now.

If a large chunk of the net's content is "accessible from [your] premises"
and is all "contained in a computer" what steps might you be required to
take to allow it all to be taken away legibly ?