Grounds for Declaration
- The declaration acknowledges Pelaez's significant contribution to the nation as a long-serving public official.
- His passing is regarded as a great loss and has caused deep sorrow among the Filipino people.
Presidential Authority
- The declaration was made by President Gloria Macapagal-Arroyo.
- The power to declare national mourning periods is vested in the President by law.
Effects During the Mourning Period
- All government buildings and installations were mandated to fly their flags at half-mast throughout the country.
Formalization and Effectivity
- The proclamation was signed on July 30, 2003, in Manila.
- It was formally executed by the President and the Executive Secretary, providing official force and effect to the period of mourning.