85In section 12 of that Act (proof of identity of driver) after subsection (3) there shall be added—
“(4)In summary proceedings in Scotland for an offence to which section 20(2) of the [1988 c. 52.] Road Traffic Act 1988 applies, where—
(a)it is proved to the satisfaction of the court that a requirement under section 172(2) of the Road Traffic Act 1988 to give information as to the identity of a driver on a particular occasion to which the complaint relates has been served on the accused by post, and
(b)a statement in writing is produced to the court, purporting to be signed by the accused, that the accused was the driver of that vehicle on that occasion,
that statement shall be sufficient evidence that the accused was the driver of the vehicle on that occasion.”