41. Right of tenant to purchase land.

(a) a minor,
(b) a widow,
[***,] or
(d) a person subject to any physical or mental disability, such tenant shall be entitled to purchase the landlord's interest under this section after the expiry of two years from the date on which-
(i) the landlord of category (a) attains majority.
(ii) [***]
(iii) the landlord of category (d) ceases to be subject to such disability, and
(iv) the interest of the landlord of category (b) in the land ceases to exist: