And be it further enacted, That if the Rent of such Portion of Land shall at any Time be Four Weeks in arrear, or if at the End of any One Year of Occupation it shall be the Opinion of the Vestry that the Land has not been duly cultivated, so as to fulfil the useful and benevolent Purposes of this Act, then and in such Case the Churchwardens and Overseers of the Poor, or any or either of them, with the Consent of the Vestry, may serve a Notice to quit upon the Occupier of such Portion of Land ; whereupon the said Occupier shall deliver up Possession of the same to the Churchwardens and Overseers aforesaid, or any or either of them, within One Week after the said Notice has been duly served upon him.