31A charging scheme may not authorise or require—
(a)the imposition of charges in respect of a motor vehicle by reference to its presence in a charging area at a time at which the vehicle is not on a road;
(b)the examination, for any purpose relating to or connected with this Schedule, regulations or a charging scheme, of a motor vehicle found in a charging area at a time at which the vehicle is not on a road; or
(c)the fitting of an immobilisation device to, or the removal of, a motor vehicle found in a charging area at a time at which the vehicle is not on a road.