And it is hereby enacted, that excepting copartners of estates under Butwarrah who may saved their shares from sale under Sections 33 and 34, Regulation XIX. 1814, any recorded or unrecorded proprietor or copartner who may purchase in his own name or in the name of another the estate of which he is proprietor or copartner ; or who by re-purchases or otherwise, may recover possession of the said estate after it has been sold for arrears under this Act: And likewise any purchaser of an estate sold for other arrears or demands than those accruing upon itself, shall by such purchase acquire the estate subject to all its encumbrances existing at the time of sale and shall not acquire any rights in respect to ryots and under-tenants which were not possessed by the previous proprietor at the time of the sale of the said estate.