Provided neverthelesse That noe Clause or Provisoe in this Act shall extend to the lessening or abatement of the full Summe appointed by this Act to bee taxed levyed collected and payd but that the same bee fully assessed taxed levyed collected and paid in the severall and respective Countyes Cityes and Townes aforesaid in such manner and forme and to such uses as herein is before men[i]ned and declared.