No pilot bringing a ship or vessel to the Lazaretto in an apparent state of good health shall be obliged to perform quarantine, but the Lazaretto physician shall grant such pilot a certificate permitting him to proceed to the capes of Delaware, in order that he may prosecute his profession; but such pilot shall not, on any pretense, come into the city of Philadelphia, the Northern Liberties, the district of Southwark, or the townships of Moyamensing or Penn, for twenty days from the date of such certificate, under the penalty of one hundred dollars or one year imprisonment, which penalty shall be recovered and applied in the manner hereinafter directed.