A licence, unless revoked earlier or unless the term of the licence is extended under section 25 , is in force–

(a) for a period of 5 years from the date on which the application is granted, in respect of Category 1, 2 and 3 minerals; or

(b) for a period the Minister determines from the date on which the application is granted, in respect of Category 4 minerals; or

(c) for a period of 5 years from the date on which the application for the licence is granted, in respect of Category 5 minerals or Category 6 minerals.