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This section covers a wide range of products, such as metalliferous ores, slag and ash, products of the chemical industry or related to the production of metals, among others.

It includes minerals such as coal, iron ores, copper, nickel, aluminum, lead, zinc, as well as products derived from the extraction and processing of these minerals, such as concentrates, unprocessed minerals and some by-products of the mining and metallurgical industry.

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Chapter 25 Salt; sulphur; earths and stone; plastering materials, lime and cement

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Chapter 25 Salt; sulphur; earths and stone; plastering materials, lime and cement

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focuses on the category of salt and related products; in particular, it classifies different types of salt, including sea salt, rock salt, denatured salt, purified salt and other varieties of salt. In addition, it also covers inorganic substances and double or complex salts. This chapter includes those mineral products that had certain processes to facilitate their transportation and conditioning, however these processes do not modify the structure of the mineral. It has 4 legal notes and has 30 headings.

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It has 3 legal notes, 2 LN and the products are classified into 21 headings, which are grouped according: Metallurgical minerals: metallic compounds associated with substances, which they are extracted from the mine. Waste from metal extraction: granulated and non-granulated slag, ashes and waste containing metal, among others.

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Chapter 27. Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes

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Chapter 27. Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes

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This chapter contains energetic minerals, 3 legal notes and 5 heading notes, and 16 headings where products are classified under the following criteria: Coal: brown coal, coal, peat, tar, pitch and pitch coke. Petroleum: crude oil and petroleum oil, petroleum gas, petroleum jelly, paraffins and pre-oil waxes, coke, bituminous mixtures, among others. Electrical energy

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The nomenclature applied to each merchandise within Foreign Trade, is assigned by means of a code established worldwide, for its identification within the customs of any country.

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1. Analyse the goods, in order to determine what material they are made of, the nature and origin of the goods, so that the goods can be placed in the appropriate section and chapter.

2. Search the Ley General de Importación y Exportación, which contains the general and complementary rules that help to identify the classification of the goods.

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3. identify which of the general rules is applicable to the product in order to start sorting.

4. Once the section is located, the chapter, heading and subheading are located.

5. compare the headings at the same level to find the most suitable ones for your product. Subsequently, it will be the subheading review, which will legally determine the tariff item.

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How to Classify Your Goods for Customs Using the Harmonisation System

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To harmonize: To unify international trade worldwide.

To designate: To call the goods and to know them under the same definition.

To codify: To put or name with a number or code and in this way not to use any language.

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The titles (headings) of the sections, chapters, or subchapters have only an indicative value.

establishes the legal basis for classification and relies on the texts of the headings and section and chapter notes, since it is the key to all classification and indicates that classification is legally determined by the texts of the headings and section and chapter notes.

Only if they are not contrary to the texts of said Headings and Section and Chapter Notes, the following rules shall be taken into account (referring to General Rules 2, 3, 4, 5 and 6).

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2A).

1. Incomplete merchandise. In order to be considered as incomplete merchandise, it must already present the essential characteristics of the complete or finished article, that is to say, that they do not serve for another purpose.

2. Must be presented.

3. Articles disassembled or not yet assembled.

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2 B).

Raises the possibility that a matter in a heading reaches or includes said matter, even if it is presented mixed, associated, or combined with others.

It also indicates the scenario no longer of a material, but of a manufacture of a given material, which also includes those made up totally or partially of that material.

It points out that the classification shall be determined in accordance with the principles established or set forth in Rule 3.