EXECUTIVE ORDER NO. 578

: Section 1 specifies that the articles listed in Annex A classified under Section 104 of Presidential Decree No. 1464 shall be accorded the tariff concession rate specified, which is to be applied by stages according to the schedule in Annex A.
: According to Section 2, if the basic Philippine rate is lowered to below the concession rate for any listed articles, such articles shall automatically be accorded the reduced rate of duty.
: Per Section 3, the concession rates of duty apply only to GATT contracting parties and to countries that have an agreement with the Philippines providing for most-favoured-nation treatment on tariffs.
: Section 4 states that articles listed in Annex B shall pay the rate of duty specified in Column 3 and shall not be subject to any tariff rate higher than the rate specified in Column 4 of Annex B.
: Section 5 explains that if the basic rate is reduced, the articles automatically get the reduced rate. If the basic rate is increased, the increased rate applies provided it does not exceed the concession rate in Annex B; if it exceeds, the concession rate applies.
: According to Section 7, the Order took effect on January 1, 1980.
: Section 6 states that all articles entered or withdrawn from warehouse in the Philippines for consumption after the effective date shall be subject to the rates of duty prescribed in the Order.
: Ferdinand E. Marcos, President of the Philippines, signed the Executive Order.