s 69 Restriction on institution in England and Wales of proceedings under Part II or III.
(1) Subject to the provisions of this section proceedings for an offence under Part II . . . of this Act shall not, in England or Wales, be instituted except by or on behalf of the Director of Public Prosecutions or by a person authorised in that behalf by a traffic commissioner , a chief officer of police, or the council of a county or district. (2) Subsection (1) above shall not apply to proceedings for the breach of regulations having effect by virtue of section 25 or 26 of this Act. (3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .