Paragraph 24
A vehicle which is constructed or permanently adapted primarily for any one or more of the purposes of lifting, towing and transporting a disabled vehicle when it is carrying out one of the following functions—
(a)
the recovery of a disabled vehicle;
(b)
the removal of a disabled vehicle from the place where it became disabled to premises at which it is to be repaired or scrapped; and
(c)
the removal of a disabled vehicle from premises to which it was taken for repair to other premises at which it is to be repaired or scrapped.