Provided neverthelesse That noe Clause or Provisoe in this Act shall extend to the lessening or abatement of the full summe by this Act appointed to be taxed, leavyed collected and paid but that the same be fully assessed taxed leavyed collected and paid in the severall and respective Countyes Cittyes and Townes aforesaid in such manner and forme and to such uses as herein before is mentioned and declared.