AN ORDINANCE AUTHORIZING THE EXCHANGE OF THAT PORTION OF THE PROPERTY OF THE ROMAN CATHOLIC ARCHBISHOP OF MANILA, DESCRIBED AS LOT 20, BLOCK 2159 OF THE MANILA CADASTRE, CONTAINING AN AREA OF 147.1 SQUARE METERS, WHICH IS PRESENTLY USED AS PART OF SALES STREET, WITH AN EQUAL PORTION OF THE CITY LOT LOCATED AT THE REAR OF SAID PROPERTY AND DESCRIBED AS LOT 13-C-2-A (LRC) PSD-34298.