A motor vehicle which—
(a)has at least four wheels;
(b)has an unladen mass exceeding 400kg or an engine with a net power exceeding 15kw;
(c)is used for the carriage of passengers; and
(d)is constructed to include living accommodation containing at least the following equipment:
(i)seats and a table;
(ii)sleeping accommodation which may be converted from the seats;
(iii)cooking facilities; and
(iv)storage facilities,
all of which equipment is rigidly fixed to the living compartment notwithstanding that the table may be designed to be easily removable.
A motor vehicle as defined in Class L(a) which is drawing a trailer.