A South African Bureau of Standards (SABS) approve number plate shall be affixed—
in such a manner that it is not easily detachable;
in an upright position or within 30 degrees of such position;
in such a manner that each letter and figure thereon is clearly legible;
in such a manner that the whole number plate is clearly visible;
to the back of a motor cycle, motor tricycle, or trailer; and
one to the back and one to the front of all other motor vehicles.