AN ORDINANCE EXEMPTING THE XAVIER UNIVERSITY – ATENEO DE CAGAYAN ALUMNI ASSOCIATION, INC. (XU-AAA, INC.) FROM PAYMENT OF AMUSEMENT TAX COVERING ITS SPONSORED CONCERT IN HONOR AND AS A TRIBUTE TO REV. FATHER ANTONIO MA. CUNA, S.J., AT THE CONVENTION HALL, XAVIER ESTATES SPORTS AND COUNTRY CLUB ON NOVEMBER 27, 1999