No Place shall be used or occupied as a Slaughter-house or Knacker's Yard within the said Limits which was not in such Use and Occupation at the Time of the passing of the special Act, and has so continued ever since, unless and until a Licence for the Erection thereof, or for the Use and Occupation thereof as a Slaughterhouse or Knacker's Yard, have been obtained from the Commissioners ; and every Person who, without having first obtained such Licence as aforesaid, uses as a Slaughter-house or Knacker's Yard any Place within the said Limits not used as such at the passing of the special Act, and so continued to be used ever since, shall for each Offence be liable to a Penalty not exceeding Five Pounds, and a like Penalty for every Day after the Conviction for such Offence upon which the said Offence is continued.