(2)Subject to subsection (4) below, a heavy goods vehicle driver’s licence shall, unless previously revoked, continue in force for three years from the date on which it is expressed to take effect.
(2)A heavy goods vehicle driver’s licence may at any time be suspended or revoked by the licensing authority of the area in which it was granted on the ground that, by reason of his conduct (including conduct in Northern Ireland) as a driver of a motor vehicle or of physical disability, the holder is not a fit person to hold such a licence and during any time of suspension such a licence shall be of no effect.
(3)Without prejudice to subsection (1) above, if there come into existence, in relation to the holder of a heavy goods vehicle driver’s licence who is under the age of 21, such circumstances as may be prescribed relating to his conduct as a driver of a motor vehicle, the licensing authority of the area in which the licence was granted must revoke the licence.
(4)Subject to subsection (5) below, a licence issued by virtue of section 112(5) of this Act shall, unless previously revoked, continue in force for six months from the date on which it is expressed to take effect.
(5)Subsection (4) above does not apply to a licence treated as a provisional licence by virtue of section 117(2)(e) of this Act.
(6)Without prejudice to section 116(5) 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, his existing licence shall not expire in accordance with subsection (1) above before the application is disposed of.