15. The lease may be granted for a term of 5 to 20 years and may be renewed for the same term or for a different term under the conditions applicable to the leasing of public blueberry fields at the time of the renewal, if the lessee has fulfilled the conditions applicable to him.
Where the lease is granted for a period exceeding 5 years, the annual rent shall be reviewed at the end of each 5-year period and the minimum annual rent then applicable under section 14 shall be taken into account.