EXECUTIVE ORDER NO. 91

: The President's power is derived from Section 401 of the Tariff and Customs Code of 1978, as amended.
: The modifications affect various imported raw materials, intermediate inputs, machinery, and parts specifically listed in the Annex aAa of the order.
: The nomenclature and rates of import duty on these tariff headings remain in force and are not changed by this Executive Order.
: It takes effect immediately following its complete publication in two newspapers of general circulation in the Philippines.
: Section 3 mandates that upon effectivity, imported articles listed in the Annex that are entered or withdrawn from warehouses for consumption in the Philippines shall be levied the new rates of duty prescribed.
: Section 4 revokes or modifies any inconsistent Presidential issuances, administrative rules, or parts thereof in relation to this Executive Order.
: It was signed by then President Gloria Macapagal-Arroyo and Executive Secretary Alberto G. Romulo.
: Because modifying import duties on these items assists domestic industries to remain viable and competitive globally, especially during economic difficulties.
: The legal reference is the Tariff and Customs Code of 1978, particularly Section 104 and empowered by Section 401.