18In section 115 of that Act (duration of heavy goods vehicle driver's licence) after subsection (3) there shall be added the following subsection:—
“(4)Without prejudice to section 118(4) of this Act if, on the date on which an application is made for a heavy goods vehicle driver's licence, the applicant is the holder of such a licence and, apart from this subsection, his existing licence would expire in accordance with subsection (1) above, then, notwithstanding anything in that subsection, his existing licence shall continue in force until the application is disposed of”.