AN ORDINANCE AMENDING FURTHER THE PROVISO OF SECTION 1 OF ORDINANCE NO. 6514, AS AMENDED BY ORDINANCE NO. 6630, RELATIVE TO THE PRESCRIPTION OF A MAYOR'S PERMIT AND A MUNICIPAL LICENSE FOR THE OPERATION OF CARGO OR DELIVERY TRUCKS AND SERVICE VEHICLES BY SUBTITUTING THE WORD "ALSO" FOR THE WORD "NOT" AS APPEARING BETWEEN THE WORDS "SHALL" AND "APPLY" IN THE SAID PROVISO; DELETING THE PHRASE "AS CERTIFIED BY THE OFFICE OF THE MAYOR" AT THE END THEREOF, AND INCLUDING "TRAILERS" AMONG THE VEHICLES ENUMERATED THEREIN.