How to Import TDAE: HS Classification, Documentation and Origin

Most TDAE import problems are paperwork problems. The oil is correct, the price is agreed, the vessel sails — and then the cargo sits at the port because a certificate is missing, a classification is disputed, or an origin document does not match what the invoice says.

None of that is hard to avoid. It just has to be settled before the cargo moves, not after it arrives. If you are new to the grade itself, start with what TDAE is.

HS classification

TDAE falls under HS heading 2710.19 — petroleum oils and oils obtained from bituminous minerals, other than crude, covering medium and heavy oils including lubricating and process oils. This is the standard six-digit classification family, and it is where a customs broker will start.

Below six digits, the picture changes by country. National tariff schedules add their own eight, ten or twelve-digit subheadings, and the correct one for a process oil depends on how the destination country subdivides the heading. Some separate lubricating oils from other heavy oils; some distinguish by intended use; the GCC moved to twelve-digit codes in 2025.

The practical rule: confirm the national subheading with your own broker in the destination market before the cargo ships. A supplier can tell you the six-digit heading and provide the technical data a broker needs to classify accurately, but the final classification is made at the border, and getting it wrong means delay and reassessment. Ask early; it costs nothing.

The document set

Two of these deserve particular attention, because they are the ones most often incomplete.

The certificate of analysis must be batch-specific. A typical-properties sheet describes the grade in general; a COA describes the parcel you are buying. For customs purposes either may pass, but for your own quality protection — and for any downstream customer audit — only the batch document has value.

The safety data sheet must match the destination's regulatory format. SDS requirements differ between jurisdictions, and a document prepared for one market is not automatically acceptable in another. Confirm the required format at enquiry stage.

Origin and preferential duty

For intra-ASEAN shipments, goods meeting the ASEAN Trade in Goods Agreement rules of origin can qualify for preferential duty treatment when accompanied by a valid Form D certificate of origin, now generally issued electronically as an e-Form D. For a Malaysian-origin cargo moving to Vietnam, Indonesia, Thailand or the Philippines, this is the document that determines whether the preferential rate or the standard MFN rate applies — which on a full container of process oil is not a trivial difference.

Two cautions worth knowing:

Origin is not the same as port of loading. A cargo shipped from Port Klang is not automatically Malaysian origin. Origin depends on where the goods were produced or sufficiently transformed under the applicable rules. Asking a supplier "where is this from" and "where does it load" are two different questions, and both matter.

Origin has commercial consequences beyond duty. Sanctions exposure on certain producing regions affects which origins a manufacturer with European customers can practically accept, and which banks will handle. Establish origin at enquiry stage rather than after the contract is fixed — it is not a detail that can be adjusted later.

What to confirm before a cargo ships

A short checklist that prevents most import problems:

Classification — national HS subheading confirmed with your destination broker, not assumed from the supplier's export code.

Origin — country of production stated, and the certificate of origin type confirmed (Form D for ASEAN preferential, or standard chamber certificate).

Documentation format — SDS format acceptable in the destination; COA batch-specific; PAH analysis included if you have European export exposure. Where finished goods reach the EU, REACH Annex XVII entry 50 is the governing limit.

Packaging matched to grade — heavy TDAE grades need heated ISO tanks, and a flexitank booking made without checking the grade's pour point is a problem waiting at discharge. Our shipping and heating guide covers this in detail.

Consignee details exact — importer of record, tax registration and address must match across invoice, bill of lading and origin certificate. Mismatches between documents are among the most common causes of clearance delay, and they are entirely avoidable.

What to give your supplier

The information that lets a supplier prepare correct documentation first time is short: destination port and country, importer of record details, required incoterm, grade and quantity, whether preferential origin treatment is being claimed, and whether the finished goods are destined for the EU. Supplying those six items with the enquiry removes most of the back-and-forth that otherwise happens after the deal is agreed.

Frequently Asked Questions

Sanyang Petroleum supplies the SANYANG TDAE Series (grades T100–T1200) across Southeast Asia, South Asia and the Middle East, with batch-specific COAs, safety data sheets, PAH analysis and origin documentation prepared as standard. Contact info@sanyangpetroleum.com or submit an RFQ.