# Customs, duties and documents Source: https://ch-shipping.com/blog/topics/customs-and-documents Language: en Description: HS classification, tariffs and anti-dumping duties, the Mexican Padrón and pedimento, Colombian DIAN, NOM certification, bills of lading and the export document set. By question Customs rarely rejects a shipment for being wrong. It queries it for being inconsistent — an invoice that says one thing, a packing list that says another, and a transport document that agrees with neither. Most of what follows is about getting one clean story across three pieces of paper, and about the two decisions that have to be made before booking rather than after: how the goods are classified, and who is the importer of record. 24 guides - [China–Latin America freight & customs policy brief Dated, rolling brief on China-to-Latin America trade rules: Mexico anti-dumping rulings, Panama Canal limits, and customs changes in Peru, Colombia and Argentina. Sep 5, 2026 · 10 min read](https://ch-shipping.com/blog/china-latam-freight-policy-brief) - [Mexico's September 2026 Anti-Dumping Rulings on Chinese Imports Six DOF final rulings set China anti-dumping duties on steel, aluminum, paperboard, polycarbonate and ammonium sulfate, by fracción, rate and date. Sep 5, 2026 · 9 min read](https://ch-shipping.com/blog/mexico-anti-dumping-rulings-china-september-2026) - [Telex Release vs Original B/L vs Seaway Bill: How to Choose A deep dive into the three ways cargo gets released at destination — original bill of lading (OBL), telex release and seaway bill — with the mechanics, use cases, common mistakes and a multilingual glossary. Jul 6, 2026 · 8 min read](https://ch-shipping.com/blog/telex-release-vs-original-bl-vs-seaway) - [Mexico Cuotas Compensatorias: How to Check a Shipment A resolution-first method for checking Mexican anti-dumping or countervailing duties by product description, fracción, origin, exporter, rate and validity. Jun 22, 2026 · 6 min read](https://ch-shipping.com/blog/anti-dumping-duties-cuotas-compensatorias-mexico) - [CFDI & Pedimento: Reconciling Your Mexican Import Records What Mexico's current tax rules require on a CFDI for a first-hand sale of imported goods, and how the pedimento supports an import-IVA credit claim. Jun 22, 2026 · 7 min read](https://ch-shipping.com/blog/cfdi-pedimento-reconciliation-mexico-imports) - [Importing Auto Parts from China to Mexico: NOM, Fracción & Duties How to import auto parts from China to Mexico: classification by fracción, conditional NOM and sector checks, anti-dumping screening, IVA, IMMEX eligibility and DDP. Jun 22, 2026 · 8 min read](https://ch-shipping.com/blog/importing-auto-parts-from-china-to-mexico) - [Importing Electronics from China to Mexico: NOM, Telecom & Duties What it takes to import consumer electronics from China to Mexico: NOM labeling, CRT telecom homologation, HS classification, duties, IVA and air vs ocean. Jun 22, 2026 · 8 min read](https://ch-shipping.com/blog/importing-electronics-from-china-to-mexico) - [Importing from China: Customs, Duties, Tariffs & Compliance (2026) A complete 2026 guide to importing from China: customs documents, who can be importer of record, HS codes, tariffs, duties, taxes and product compliance. Jun 22, 2026 · 11 min read](https://ch-shipping.com/blog/importing-from-china-customs-and-compliance-guide) - [Importing Furniture from China to Mexico: Costs, Tariffs & NOM How to import furniture from China to Mexico: FCL vs LCL for bulky cargo, tariff-classification and NOM checks, taxes and a compliant DDP structure. Jun 22, 2026 · 8 min read](https://ch-shipping.com/blog/importing-furniture-from-china-to-mexico) - [Importing Machinery from China to Mexico: Containers, Permits & Duties How to import machinery and equipment from China to Mexico: flat-rack and open-top for oversized cargo, used-machinery rules, permits and fracción, NOM electrical safety and DDP. Jun 22, 2026 · 8 min read](https://ch-shipping.com/blog/importing-machinery-from-china-to-mexico) - [Importing Textiles & Apparel from China to Mexico: NOM-004-SE-2021 How to screen textile imports by fracción for Anexo 10 registration, NOM-004-SE-2021 labeling, compensatory duties, 2026 tariffs, IMMEX and DDP. Jun 22, 2026 · 8 min read](https://ch-shipping.com/blog/importing-textiles-apparel-from-china-to-mexico) - [Mexico's 2026 Parcel & Courier Tax on Imports from China, Explained How Mexico's simplified courier import rates work in 2026, when the general 33.5% or conditional 19% treatment applies, and how formal freight differs. Jun 22, 2026 · 8 min read](https://ch-shipping.com/blog/mexico-courier-parcel-tax-2026) - [Products Needing NOM in Mexico: Classification-First Checklist Screen Mexican NOM requirements by product, tariff classification and Anexo 2.4.1, including current NOM-004-SE-2021, NOM-008-SE-2021 and CRT checks. Jun 22, 2026 · 7 min read](https://ch-shipping.com/blog/nom-requirements-by-product-importing-to-mexico) - [Padrón de Importadores: Mexico's Importer Registry Explained Mexico's general Padrón de Importadores route, its RFC and e.firma prerequisites, conditional Anexo 10 sector registration, limited SAT procedures and DDP. Jun 22, 2026 · 9 min read](https://ch-shipping.com/blog/padron-de-importadores-mexico-guide) - [RFC, e.firma & Buzón Tributario: Mexico Padrón Requirements How an active RFC, current e.firma and validated Buzón Tributario fit the SAT's current Padrón de Importadores registration conditions. Jun 22, 2026 · 7 min read](https://ch-shipping.com/blog/rfc-efirma-buzon-tributario-importing-to-mexico) - [The IMMEX Program Explained (and the December 2024 Apparel Change) What Mexico's IMMEX program is, who can use its temporary-import framework, and how the December 2024 decree restricted specified finished-apparel tariff lines. Apr 28, 2026 · 7 min read](https://ch-shipping.com/blog/immex-program-explained) - [Mexican NOM Compliance: Classification, Evidence & Labeling Routes Determine Mexican NOM certification, testing and labeling by fracción, standard scope and current Anexo 2.4.1 instead of using category-wide assumptions. Apr 21, 2026 · 6 min read](https://ch-shipping.com/blog/nom-certification-importing-to-mexico) - [Shipping from China to Colombia: Customs, DIAN and Tariffs Explained A practical guide to importing from China to Colombia — DIAN registration, the targeted 35% measure on 14 classifications, ports and documents. Mar 3, 2026 · 7 min read](https://ch-shipping.com/blog/shipping-from-china-to-colombia-customs-dian) - [DDP Shipping from China to Mexico: How Delivered Duty Paid Works How a compliant China–Mexico DDP arrangement is structured, which charges may be included, who acts as importer of record, and what must be confirmed before booking. Feb 24, 2026 · 6 min read](https://ch-shipping.com/blog/ddp-shipping-china-to-mexico) - [HS Codes and Tariffs: Classifying Your Products for Export What HS codes are, how the classification system is structured, why the right code matters for duty and compliance, and how to classify your products correctly. Feb 17, 2026 · 6 min read](https://ch-shipping.com/blog/hs-codes-and-tariffs) - [How to Import from China to Mexico: Pedimento, Padrón & Customs A plain-English guide to Mexican import customs — the pedimento, the Padrón de Importadores registry, sector-specific padrones and the documents you need to clear goods from China. Feb 17, 2026 · 7 min read](https://ch-shipping.com/blog/import-from-china-to-mexico-customs-pedimento) - [Mexico's 2026 Tariffs on Chinese Imports: What Importers Need to Know How to check Mexico's tariff decree effective January 1, 2026 by exact fracción, origin and preference without applying headline rates to unlisted products. Feb 10, 2026 · 5 min read](https://ch-shipping.com/blog/mexico-2026-tariffs-on-chinese-imports) - [Exporting from China: The Customs Document Checklist China export declarations, commercial and transport records, licences and cargo-specific documents — what is standard and what must be confirmed per shipment. Mar 18, 2025 · 6 min read](https://ch-shipping.com/blog/china-export-customs-documents) - [Bill of Lading Explained: Types and How It Works What a bill of lading is, the difference between original, telex-release and seaway bills, and why this single document controls who can collect your cargo. Jan 21, 2025 · 6 min read](https://ch-shipping.com/blog/bill-of-lading-explained) Tools for this topic - [Mexico import document checklist](https://ch-shipping.com/tools/mexico-import-checklist) - [Colombia import document checklist](https://ch-shipping.com/tools/colombia-import-checklist) - [Packing list preparation guide](https://ch-shipping.com/tools/packing-list-template) The service behind it - [DDP and door-to-door shipping from China](https://ch-shipping.com/ddp-shipping-from-china) - [Services](https://ch-shipping.com/services) Browse by task - [Shipping from China to Mexico](https://ch-shipping.com/blog/topics/mexico) - [Colombia, Chile and the rest of Latin America](https://ch-shipping.com/blog/topics/latin-america) - [Air freight from China](https://ch-shipping.com/blog/topics/air-freight) - [Ocean freight from China](https://ch-shipping.com/blog/topics/ocean-freight) - [All articles](https://ch-shipping.com/blog) Every article here is written by the team that books these shipments. 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