Article 1 in that country within the meaning of the relevant rules in force in the Community .1. The competent authorities of the Communityundertake to inform the Philippines of any changes in theCommon Customs Tariff or NIMEXE before the date of 3. However , the products in Group III may be imported into the Community in accordance with the arrangementstheir entry into effect in the Community . established by the Agreement on production of a declaration by the exporter on the invoice or other commercial document2. The competent authorities of the Community relating to the products to the effect that the products inundertake to inform the Philippines of any decisions relating question originate in the Philippines within the meaning ofto the classification of products subject to the Agreement the relevant rules in force in the Community .within one month of their adoption at the latest . Suchcommunication shall include : 4. The certificate of origin referred to in paragraph 1 shall( a ) a description of the products concerned ; not be required for import of goods covered by a certificate of( b ) the relevant category , tariff position or sub-position and origin Form A or Form APR completed in accordance with the NIMEXE code; the relevant Community rules in order to qualify for generalized tariff preferences .( c ) the reasons which have led to the decision .3. Where a decision on classification results in a change ofclassification practice or a change of category of any product Article 3subject to the Agreement , the competent authorities of the