dvla biva test...

[underkut]

Has anyone on here had any experiance on the dvla biva test?
I have been reading different opinions on what needs or is not needed to be reported . Do such things affect lt if required like reshelling an old car?
Installing a flip front?
Roof chops and minisprints.
Certain age of thd vehicle and when it was lst used?
Or any other major mod inc 7-8 port engines.