AN ORDINANCE AMENDING SECTION 11 OF THE ZONING PLAN EMBRACING THAT PORTION OF THE DISTRICT OF MALATE, UNDER SECTION 2 OF ORDINANCE NO. 2830, OTHERWISE KNOWN AS THE ZONIFICATION ORDINANCE OF THE CITY OF MANILA, AS AMENDED, BY CONVERTING THE LAND USES OF F. B. HARRISON STREET WITHIN THE CITY OF MANILA FROM VITO CRUZ TO PASAY CITY BOUNDARY, FROM RESIDENTIAL CLASS "A" TO COMMERCIAL ZONE.