Section 32. Every tenant having a right of occupancy may let or under-let the land in his occupation or any part thereof:

32. Every tenant having a right of occupancy may let or under-let the land in his occupation or any part thereof: Provided that nothing in the former part of this section shall be deemed to affect any agreement on the part of a lessee that he will not, or will not without the previous consent of the lessor or his representative, under-let or part with the possession of the said land or any portion thereof.