Provided alwaies, That if any Person or Persons, by reason of his, her, or their haveing severall Mansion-Houses or Places of Residence, or otherwise, shall be doubly charged for any Personall Estate by occasion of this Act, then upon Certificate made by any Two or more of the Commissioners for the County, Rideing, City or Place, of his, her, or their last Personall Residence, under their Hands and Seales, of the Summe or Summs charged upon him, her, or them (which Certificate the said Commissioners are required to give without Delay, Fee or Reward) and upon Oath made of such Certificate, before any one Justice of the Peace of the County or Place where the said Certificate shall be made (which Oath the said Justice of the Peace is hereby authorized and required to administer) then the Person or Persons soe doubly charged, shall for soe much as shall be soe certified, be discharged in every other County, City or Place.