In short
- The COC is the manufacturer's certificate of conformity: it proves that your car matches exactly the type approved in the EU.
- To register a car in Spain, the inspection station (ITV) needs proof of that type approval. The COC is the most direct one.
- Many cars have it in their paperwork. Otherwise the manufacturer issues a duplicate: €100 to €250 and about two weeks.
- If no COC can exist for the car, it needs an individual approval in a lab: about €650 and roughly four weeks more.
What the COC is
COC stands for Certificate of Conformity. A manufacturer has each model approved once for the whole EU. For every car that then comes off the line, it issues a COC: this car, with this vehicle identification number, matches the approved type.
On one or two pages it states what Spain needs to know about the car:
- the vehicle identification number (VIN) and the EU type-approval number, starting with “e”;
- make, type, variant and version;
- dimensions, weights and seats;
- engine, power and fuel;
- the official CO₂ figure and the Euro standard, which decide the Spanish registration tax;
- the permitted tyre sizes.
In Spain it is called the certificado de conformidad, also COC for short.
Why Spain needs it
A car from abroad has no Spanish technical data sheet. The inspection station issues one at the import inspection, and for that it needs proof that the car is type-approved. The Spanish traffic authority accepts three:
- the manufacturer's COC;
- the reduced technical data sheet (ficha técnica reducida), signed by an engineer or a lab with the approval data for that version;
- an individual approval for cars from before 2002 or cars that match no approved type.
The reduced data sheet is built from the approval data, and the easiest and safest place to get those is the COC. That is why we submit both in our registrations.
Where it usually is
Once a car is registered the COC is rarely needed again, so it is easily forgotten. Before you order one, look:
- in the car's document wallet, with the owner's manual and service book;
- with the ownership document, if they were filed together;
- at the dealer that sold the car new;
- for leased or company cars, at the leasing company, the employer or the bank.
It is an A4 sheet, often with a security background or watermark and the manufacturer's signature. A copy is not enough: you need the original or an official duplicate.
Ordering a duplicate
If you can't find it, the manufacturer issues a new one for the same VIN. You order it through a dealer of the brand or the manufacturer's COC service, online for many brands. They usually ask for:
- the VIN;
- a copy of the registration certificate;
- sometimes a copy of the keeper's ID.
Manufacturers charge €100 to €250 depending on the brand and usually take about two weeks. It is the most common delay in an import: everything else can go on, but the ITV waits for the COC.
Order it early. It is the only step that depends on a third party and can't be brought forward any other way. If you hand us the registration, we request it from the manufacturer; their fee is passed on without a mark-up.
When there can be no COC
For some cars the manufacturer can't issue a European COC because they were never approved for the EU:
- cars built for other markets, such as the United States;
- older cars from before EU type approval became universal;
- heavily modified cars that no longer match the approved type.
For those there is the individual approval (homologación individual): an accredited lab examines the car, checks the requirements and writes a report the ITV can use to issue the data sheet. Expect about €650 and roughly four weeks more, and not every car passes without changes. That is worth knowing before you buy, not after.
It also works the other way round: a car with a COC but with parts the COC doesn't know, such as a tow bar, different wheels or a different suspension. That doesn't stop the registration, but the ITV may require those modifications to be legalised in Spain, even if they were approved at home.
COC, data sheet and tarjeta ITV
Three papers that are often confused:
| Document | Who issues it | What it's for |
|---|---|---|
| COC | The manufacturer | Proves the car matches the type approved in the EU |
| Reduced technical data sheetficha técnica reducida | An engineer or lab | Puts that data into the format of the Spanish ITV |
| Tarjeta ITVtarjeta de inspección técnica | The ITV station | The car's Spanish technical data sheet, which the traffic authority needs for registration |
What to check before you buy
- Ask the seller for the COC and get a photo of it. If they have it, it belongs with the car: in a private sale, ideally written into the contract.
- Compare the VIN on the COC with the one on the registration certificate and on the car.
- Look at the CO₂ figure on the COC: it decides the Spanish registration tax.
- If the car was imported from outside Europe, ask about the EU type approval. If there is none, plan for an individual approval.
The other steps, from the car's paperwork to the plates, are in the guide to registering a foreign car in Spain.
Sources
- DGT · Registering a vehicle from the EU (Spanish)
- Regulation (EU) 2018/858 on the approval of motor vehicles (EUR-Lex)
General information, not tax or legal advice. Matrikula's prices are our own fees; third-party amounts are indicative and depend on the case. What applies to yours we tell you in writing in the document check.