Section 18. Other leases of settled estate.

18. The person for the time being entitled to and in possession of settled estate may lease the same or any part thereof for any other purpose — (a) at the best rent that a can reasonably be obtained without fine or premium, from year to year or for a term not exceeding seven years, or (b) with the previous sanction of the Collector granted in accordance with any rules made under section 24 (2) (g) for a term exceeding seven years.