Provided also, and be it enacted, That nothing in this Act shall extend or be construed to extend to annul or make void any Lease or Leases of Tithes granted before the Twenty-fifth Day of March and which shall end or determine on or before the First Day of January next; and that in any Parish or Place where such Lease or Leases shall have been granted as aforesaid, no Tithe Payer shall be at liberty to make the Application hereby authorized to be made, until after the Expiration of such Lease or Leases respectively, except in respect of Lands the Tithes whereof are not included in such Lease.