(1) A licence granted under section 19 (other than a licence that has been renewed under section 24) comes into force on the day specified for the purpose in the licence or, if no day is specified, on the day on which the licence is granted and, subject to subsection (3) and to section 26, remains in force until the day specified for the purpose in the licence, being a day in the period of 12 months commencing on the day on which the licence comes into force or, if regulations for the purposes of this subsection specify a different period in relation to all licences to which this subsection applies, or in relation to a class of those licences that includes the licence, a day in the period so specified.
(2) Where a licence is renewed under section 24 (whether or not the licence has previously been renewed), the licence remains in force, subject to subsection (3) and to section 26, until the day specified for the purpose in the renewal, being a day in the period of 12 months commencing on the day on which the licence, the renewal of the licence or the last renewal of the licence, as the case requires, ceased to be in force or, if regulations for the purposes of this subsection specify a different period in relation to all licences to which this subsection applies, or in relation to a class of those licences that includes the licence, a day in the period so specified.
(3) A licence granted under section 19 ceases to be in force if the holder of the licence, by notice in writing given to the Minister, surrenders the licence.