Resolving a quality dispute on an olive oil cargo

In brief. A quality dispute is resolved in order: sealed sample and departure COA as the reference, adversarial counter-analysis in an IOC-accredited laboratory, comparison of departure vs arrival COA to locate where the quality drifted, application of the contract clauses (quantified tolerances, discount, GAFTA/FOSFA arbitration), then withholding or negotiated discount. The rule: never an emotional standoff, always measured evidence. A well-framed dispute is settled with a price discount per kilo, not with a lawsuit.

A quality gap on arrival is not rare on bulk olive oil: acidity can rise, peroxide climb, the sensory profile change. The question is not who is right but where and when the quality drifted, and what the contract says. Here is how buyer and seller resolve a dispute without breaking the commercial relationship.

What to do on receipt if the quality seems non-compliant?

At the first doubt, freeze the evidence before emptying or repacking the goods:

1. Do not unload completely: isolate the suspect cargo.
2. Draw sealed adversarial samples, in the presence of both parties or an independent surveyor (SGS, Bureau Veritas…).
3. Notify the seller in writing and within the contractual deadline (often 7 to 14 days): a late notification forfeits the right to claim.
4. Retrieve your sealed reference sample and the departure COA.

Without frozen evidence on receipt, the dispute becomes word against word — and the buyer almost always loses.

Departure COA vs arrival COA: reading the gap

Olive oil evolves during transport. Comparing the two COAs helps locate responsibility.

Situation	Likely reading
Departure COA compliant, arrival non-compliant	Degradation in transport (heat, oxygen, air contact) → logistics/insurance question
Departure COA already borderline or non-compliant	Non-compliance at origin → seller's responsibility
Method gap between labs	False dispute: realign on a common IOC-accredited lab

Reminder of the extra virgin thresholds (IOC/EU) that serve as the arbiter:

• Free acidity ≤ 0.80%
• Peroxide value ≤ 20 mEq O₂/kg
• K232 ≤ 2.50
• K270 ≤ 0.22

A peroxide overrun on arrival while acidity is stable often points to oxidation in transport, not an origin defect. To decode each line, see how to read an olive oil COA.

The adversarial counter-analysis

This is the core of the resolution. A single laboratory is never enough in a dispute.

• Both parties appoint a neutral IOC-accredited laboratory, ideally set in the contract.
• The analysis is carried out on the sealed sample drawn on arrival, never on an untraced free sample.
• Results are compared using the same methods as the departure COA (a different method can create an artificial gap).
• The adversarial report is binding between the parties.

If the two labs diverge, the contract ideally provides for a third deciding lab whose measurement settles the matter. It's this mechanism, not opinion, that resolves the dispute.

What the contract must say

Most disputes fester because the contract was silent. A serious bulk oil contract provides:

• Quantified tolerance clause: gap allowed on each parameter (e.g. contractual acidity 0.50%, tolerance up to 0.60% without penalty).
• Discount grid: beyond tolerance, a price reduction per kilo by band rather than total rejection.
• Arbitration clause: submission of disputes to GAFTA or FOSFA rules (the benchmark arbitration for oils and seeds in London), with a designated lab and method.
• Quality control point: at loading, at shipment, or on arrival — this changes who bears the risk.
• Claim deadline and adversarial sampling procedures.

Drafting these clauses upfront is the subject of negotiating an olive oil contract and negotiating quality, COA and samples.

Withholding, discount or rejection: the possible outcomes

Three exits, from the most frequent to the rarest:

1. Discount (price reduction): the goods remain sellable, the price per kilo is adjusted per the grid. The most common and healthiest outcome — everyone preserves the relationship.
2. Partial payment withholding: the buyer holds back part of the balance until the counter-analysis settles the matter.
3. Rejection / arbitration: reserved for serious non-compliance (unfit oil, false category). GAFTA/FOSFA arbitration decides, but costs time and fees — a last resort.

To quantify the real impact of a discount on your landed cost, use the export cost calculator.

Prevent rather than suffer

The best dispute is the one you don't have. Three prevention reflexes:

• Sealed reference sample kept until the final control.
• COA per batch from an IOC-accredited lab, required before payment of the balance.
• Control at shipment by a surveyor for the first cargoes, before the oil leaves.

A supplier transparent about their COAs and open to counter-analysis is already a guarantee. This is the case for serious Tunisian exporters, who work under ONH approval and an IOC-accredited laboratory — a framework that makes disputes rare and their resolution quick. To place a fair price in the negotiation of a discount, rely on the origin price tracked on our price observatory.

FAQ

Who pays for the counter-analysis in a dispute?

Generally, the party at fault bears the deciding laboratory's fees. Many contracts provide for an initial split then a re-invoicing to the party at fault once the adversarial report is issued. Set this allocation in the contract to avoid a second dispute.

Can you refuse a whole cargo for a single parameter over threshold?

Rarely. A slight overrun falls under a discount via the contractual grid, not rejection. Total rejection is reserved for serious non-compliance: false category, oil unfit for consumption or contamination. Without a clause, rejection is hard to impose.

Departure or arrival COA: which one prevails?

Both, together. The departure COA proves the quality at origin, the arrival one records the delivered state. It's their comparison, on a sealed sample and a common method, that locates responsibility between origin defect and transport degradation.

What is GAFTA or FOSFA arbitration?

These are the benchmark international arbitration frameworks for oils and seeds, based in London. By inserting a GAFTA or FOSFA clause in the contract, the parties accept that a dispute not resolved amicably be settled by these rules, with a designated laboratory and method. It's faster and more specialised than an ordinary court.

Within what deadline must you notify a quality defect?

Within the deadline set in the contract, often 7 to 14 days after receipt. After this deadline, the right to claim generally lapses. Hence the importance of freezing the adversarial samples and notifying in writing at the first doubt, before any repacking.

How do you avoid quality disputes on future cargoes?

Three safeguards: a sealed reference sample, a COA per batch from an IOC-accredited laboratory required before the balance, and a control at shipment by a surveyor for the first orders. Add quantified tolerance clauses and an arbitration clause to the contract.

---

A quality dispute to settle, or a contract to secure before buying? Request a quote: we quote per format and incoterm, COA in hand, with clear tolerance clauses. To prepare the negotiation, read negotiating quality, COA and samples.