Regulation 16 Exhibition of certificate of registration or licence
The certificate of registration or licence to give instruction shall be–
(a)
fixed to and immediately behind the front windscreen of the motor car on its nearside edge, and
(b)
exhibited so that the particulars on the back of the certificate or licence are clearly visible in daylight from outside the motor car and the particulars on the front of the certificate or licence are clearly visible from the front nearside seat of the vehicle, where fitted.