Mandate

The Commission’s governmental functions are prescribed in the following Sections of the Customs Modernization and Tariff Act (CMTA), as amended:
Section of CMTA TC Function
1100
Classification Ruling
Issuance of advance rulings on tariff classification, and rulings on dispute over tariff classification; issuance of opinions on tariff-related queries including provision of assistance on commodity classification and tariff nomenclature issues to various parties
1603 (e)
(Assistance to the President and Congress of the Philippines)
Provide the President and Congress with independent analysis, information and technical support on matters related to tariff and nontariff measures affecting Philippine industries and exports for policy guidance
1608
Flexible Clause
Conduct of public hearings on petitions for tariff modification; investigation of said petitions; submission of findings and recommendations to the National Economic and Development Authority (NEDA); preparation of implementing Executive Orders; provision of policy advice on tariffs and related matters
1609
Promotion of Foreign Trade
Conduct of public consultations on proposed tariff concessions under international trade agreements; submission of findings and recommendations to NEDA; preparation of implementing Executive Orders; provision of technical assistance and advice to Philippine negotiators (e.g., tariff schedules; tariff nomenclature; rules of origin; review of agreements/commitments and modifications thereon; negotiating strategies); submission of tariff data requirements in compliance with Philippine commitments under international trade agreements; monitoring of Philippine and other parties’ compliance with international obligations; participation in relevant meetings associated with Philippine participation in international trade agreements
As to the Commission’s quasi-judicial functions, these are prescribed under the following Sections of the CMTA:
Section of CMTA TC Function
711 
Dumping Duty
(adopting Republic Act 8752
“Anti-Dumping Act of 1999”)
Conduct of formal investigation and submission of report of findings, including amount of the definitive dumping duty to be imposed in cases of affirmative findings, to the Secretary of Agriculture (for agricultural goods) or Secretary of Trade and Industry (for industrial products)
712 
Safeguard Duty
(adopting Republic Act 8800

“Safeguard Measures Act”)
Conduct of formal investigation and submission of report of findings, including recommendation on the appropriate definitive safeguard measure in cases of positive determination, to the Secretary of Agriculture (for agricultural goods) or Secretary of Trade and Industry (for industrial products)
713
Countervailing Duty
(adopting Republic Act 8751 "An Act Strengthening the Mechanisms for the Imposition of Countervailing Duties on Imported Subsidized Products, Commodities or Articles of Commerce in Order to Protect Domestic Industries from Unfair Trade Competition, Amending for the Purpose Section 302, Part 2, Title II, Book I of the Presidential Decree No. 1464", otherwise known as the "Tariff and Customs Code of the Philippines, As Amended")
Conduct of formal investigation and submission of report of findings, including amount of the definitive countervailing duty to be imposed in cases of affirmative findings, to the Secretary of Agriculture (for agricultural goods) or Secretary of Trade and Industry (for industrial products)