BFAD BUREAU CIRCULAR NO. 02, S. 2004

: Executive Order No. 808 is an order issued on May 15, 2009, by President Gloria Macapagal-Arroyo, revoking Executive Order No. 493, which created the Inter-Agency Legal Action Group (IALAG).
: Executive Order No. 493, Series of 2006, provided for the creation of the Inter-Agency Legal Action Group (IALAG) for the coordination of national security cases.
: According to EO No. 808, the IALAG has already accomplished its mandate and thus the order revokes its creation.
: Executive Order No. 808 explicitly revokes Executive Order No. 493.
: No, after EO No. 808, executive officials and employees can no longer use Executive Order No. 493 in the investigation, prosecution, and monitoring of offenses related to national security.
: Executive Order No. 808 took effect immediately upon its signing on May 15, 2009.
: Executive Order No. 808 was signed by President Gloria Macapagal-Arroyo and the Executive Secretary Eduardo R. Ermita.
: The revocation implies that the specific coordination mechanism provided by IALAG for national security cases under EO No. 493 is discontinued, and its authority or mandate ceases to exist.
: Executive orders can be revoked or amended by the President using the ordinance-power as granted by laws such as the Administrative Code of 1987, as exemplified by EO No. 808.