Just something for you to think about - "NISMO Motorsports" makes no sense seeing as NISMO stands for Nissan Motorsports, so your plate surround reads "Nissan Motorsports Motorsports"
I think, technically they are illegal too as they display something other than the makers name and BS number, correct me if I'm wrong though
Yes, you can also display one of those EU/England/Scotland/wales/GB flag thingies if you wish but what you are saying is correct. Legally, these are the requirements....
" the British Standard number (currently BS AU 145d);
the name, trade mark or other means of identification
of the manufacturer or component supplier; and
the name and postcode of the supplying outlet."
However, failing to display these is not an MOT failure, this was withdrawn from the MOT in 2007 but is a legal requirement from 2001 onwards... When I first joined this forum I read a thread where someone had a plate made up replacing the suppliers name with 350Z-UK.COM only to find out it was illegal .
Pete