The relief given by section three of the Act of the fourteenth and fifteenth years of Her Majesty's reign, chapter twelve, and referred to in section forty-six of the said Act of the sixteenth and seventeenth years of Her Majesty's reign, chapter thirty-four, shall be extended and granted to every person occupying lands for the purposes of husbandry only, being the owner thereof, although he may not obtain his livelihood principally from husbandry.