And be it declared and enacted, That it is and shall be competent to the Authority in the first recited Act provided to make Arrangements, under and according to the Provisions of the said Act, for improving the Value or making a better Provision for the Spiritual Duties of ill-endowed Parishes or Districts, by means of the Exchange of Advowsons, or other Alterations in the Exercise of Patronage, notwithstanding that such Advowsons, or any or either of them, or such Patronage, shall be vested in or belong to any Ecclesiastical Corporation Aggregate or Sole.