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AAC Tax Code.

The National Internal Revenue Code of 1997 as it currently stands — consolidated by the firm to carry the TRAIN Law, the CREATE Act, the Ease of Paying Taxes Act, the VAT on Digital Services Act, CREATE MORE, the CMEPA and the amendatory laws in force to 1 August 2026, with a footnote at every provision naming the law that changed it.

Text current as at 1 August 2026. This is an unofficial consolidation prepared by the firm and not the official text of the Code. Repealed provisions are kept, struck through, so that references in earlier records stay traceable.
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The printed edition runs to 240 pages and carries the same text, footnotes and references as the browser below. Every section here shows the page it sits on in that PDF, so a citation taken from the screen matches the one taken from the book.

TITLE VI — EXCISE TAXES ON CERTAIN GOODS › CHAPTER V. EXCISE TAX ON PETROLEUM PRODUCTS

SEC. 148-A. Mandatory Marking of All Petroleum Products

Page 122 of the PDF edition

In accordance with rules and regulations to be issued by the Secretary of Finance, in consultation with the Commissioner of Internal Revenue and Commissioner of Customs and in coordination with the Secretary of Energy, the Secretary of Finance shall require the use of an official fuel marking or similar technology on petroleum products that are refined, manufactured, or imported into the Philippines, and that are subject to the payment of taxes and duties, such as but not limited to, unleaded premium gasoline, kerosene, and diesel fuel oil after the taxes and duties thereon have been paid. The mandatory marking of all petroleum products shall be in accordance with the following:

(a) Official Markers. — There shall be a list of chemical additives and corresponding quantitative ratio as identified by the Secretary of Finance as official fuel markers. The official fuel markers shall be distinct and, to the greatest degree possible, impossible to imitate or replicate: Provided, That the official fuel marker must be unique to the Philippines and that its chemical composition and quantitative ratio must persist for at least three (3) years from their application or administration to the unmarked fuel;

(b) The person, entity, or taxpayer who owns or enters the petroleum products into the country, or the person to whom the petroleum products are consigned shall cause and accommodate the marking of the petroleum products with the official marking agent;

(c) Internal revenue or customs officers shall be on site to administer the declaration of the tax and duties imposed on the petroleum products and to oversee the application of the fuel marking;

(d) Absence of Official or Dilution of the Official Marker; Presumptions. — In the event that the petroleum products which do not contain the official marker or which contain the official marker but are diluted

beyond the acceptable percentage approved by the Secretary of Finance are found in the domestic market or in the possession of anyone, or under any situation where said petroleum products are subject to duties and taxes, it shall be presumed that the same were withdrawn with the intention to evade the payment of the taxes and duties due thereon;

(e) The use of fraudulent marker on the petroleum products shall be considered prima facie evidence that the same have been withdrawn or imported without the payment of taxes and duties due thereon;

(f) Engagement of Fuel Marking Provider. — The government shall engage only one fuel marking provider who shall, under the supervision and direction of the Commissioners of Internal Revenue and Customs, be responsible for providing, monitoring, and administering the fuel markers, provide equipment and devices, conduct field and confirmatory tests, and perform such other acts incidental or necessary to the proper implementation of the provisions of this Act: Provided, That the fuel marking provider shall provide an end-to-end solution to the Government, including the establishment and operation of testing facilities that are certified to ISO 17025;

(g) All costs pertaining to the procurement of the official fuel markers shall be borne by the refiner, manufacturer or importer, of petroleum products, as the case may be: Provided, That the government may subsidize the cost of official fuel markers in the first year of implementation;

(h) Fuel Marking Program Funds. — In addition to any appropriation to implement this Section and the last paragraph of Section 171 of this Act, fees or charges collected in relation to the fuel marking program may be recorded as trust receipts of the implementing agencies, and shall be exclusively disbursed to defray the cost of services or equipment required to fully implement the said program, subject to rules and regulations to be issued by the DOF-DBM-COA permanent committee;

(i) The marking of petroleum products shall be mandatory within five (5) years from the effectivity of this Act; and

(j) The term ‘random field test’ shall refer to periodic random inspections and tests performed to establish qualitative and quantitative positive result of fuel trafficking, which are conducted on fuels found in the warehouses, storage tanks, gas stations and other retail outlets, and in such other properties or equipment, including mechanisms of transportation, of persons engaged in the sale, delivery, trading, transportation, distribution, or importation of fuel intended for domestic market.

The term ‘confirmatory tests’ shall refer to the accurate and precise analytical test of the tested unmarked, adulterated, or diluted fuel using a device, tool or equipment which will validate and confirm the result of the field test, that is immediately conducted in an accredited testing facility that is certified to ISO 17025.281

Amendment notes

  1. TRAIN Law, sec. 44 — inserted.
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