Provided always, and be it further enacted, That no Rate or Assessment, nor any Order to be made, or Proceedings to be had, or any other Matter or Thing to be done or transacted in or relating to the Execution of this Act, by the said Court of Mayor and Aldermen, or by His Majesty's Commissioners of Lieutenancy for the Time being, or the Assessors or Collectors acting under the Authority of this Act, or by the Court of Mayor and Aldermen of the said City, shall be vacated or quashed for Want of Form only, or be removed or removable by Certiorari, or by any other Writ or Process whatsoever, in any of His Majesty's Courts of Record at Westminster, any Law, Statute, or Usage to the contrary notwithstanding : Provided always, that no Plaintiff or Plaintiffs shall recover in any Action for such Irregularity, Trespass, or other Proceedings, if Tender of sufficient Amends shall have been made by or on the Behalf of the Party of Parties who shall have committed or caused to be committed any such Irregularity, Trespass, or wrongful Proceedings, before such Action brought in case no such Tender shall have been made, it shall be lawful for the Defendant or Defendants in any such Action, by Leave of the Court where my such Action shall depend at any Time before Issue joined, to pay into Court such Sum of Money as he or they shall think fit, whereupon such Proceedings or Order and Judgment shall be had, made, and given in and by such Court, as in other Actions where the Defendant is allowed to pay Money into Court,