National Road Traffic Act, 1996 (Act No. 93 of 1996)
Chapter XII : Presumptions and legal procedure
71. Presumption regarding gross vehicle mass of motor vehicle
Where in any prosecution in terms of this Act it is alleged that an offence was committed in relation to the gross vehicle mass of a motor vehicle, the mass so alleged shall, in the absence of evidence as contemplated in section 70, be presumed, in the absence of evidence to the contrary, to be the gross vehicle mass of such vehicle.