ADMINISTRATIVE LAW: DAY 1 AND 2 INTRODUCTORY POWERS OF ADMINISTRATIVE AGENCIES EXPRESS AND IMPLIED MINISTERIAL AND DISCRETIONARY MANDATORY AND PERMISSIVE POWERS ERRORS IN THE EXERCISE OF POWERS 1. LUZON DEV. BANK VS. ASSOCIATION OF LUZON DEV. BANK EMPLOYEES 249 SCRA 162 (1995) 2. IRON AND STEEL CORPORATION VS. COURT OF APPEALS, 249 SCRA 539 (1995) 3. REPUBLIC VS. COURT OF APPEALS, 200 SCRA 226 (1991) 4. MALAGA VS. PANACHOS, JR. 213 SCRA 516 (1992) 5. EUGENIO VS. CSC 243 SCRA 196 (1995) 6. DE LA LLANA VS. ALBA, 112 SCRA 294 (1982) 7. JUDGE ENAGE, JULY 16, 1987 8. SOLID HOMES, INC. VS. TERESITA PAYAWAL, AUG. 29, 1989 9. MATIENZON VS. ABELLERA, 162 SCRA 1 (1988) 10. CHUNG KA BIO VS. IAC 163 SCRA 534, 545-546 (1988) 11. GSIS VD. CIVIL SERVICE COMMISSION 202 SCRA 799 (1991)