There was a period when certification was an argument. A grower who held GlobalG.A.P. could say something a competitor could not, and the difference showed up in the price. In most export categories that period is over. The certificate is still required. It simply no longer says anything.

Look at what a category buyer at a European retailer actually receives. Four or five suppliers, all audited, all inside tolerance on residues, all hitting calibre and Brix, all able to hold the cold chain and the delivery window. The specification did its job. It filtered out everyone who could not perform. What it left behind is a shortlist of suppliers who are, on every measurable axis, the same.

That is the moment the decision leaves the technical file. And a decision that leaves the technical file lands on price, unless something else is available for it to land on.

The instinctive response is to compete harder on the thing that stopped working. Add a certification. Tighten a tolerance below what was asked. Commission another audit. This is understandable — it is the only lever that comes with a clear procedure attached, and it can be delegated to people who already know how to run it. It rarely changes the outcome. The buyer had already assumed the quality. Exceeding a specification nobody doubted does not create preference. It creates cost.

It helps to look at the decision from inside the buyer's job rather than from inside the packhouse. A category manager is not only choosing a supplier. They are choosing a supplier they will have to defend — in a category review, to a commercial director, against a purchasing team that can see the price column and cannot see the agronomy. The question in the room is rarely whether the product is good. It is why this one.

A supplier who is easy to answer that question about holds an advantage that no audit produces. It means being a recognisable entity rather than an origin plus a lot number. It means having a name that stays attached to the product as it moves through the buyer's own materials. It means holding a position clear enough that someone can repeat it accurately in a meeting you are not in.

Most of what determines this happens outside the field. The packaging that arrives on the pallet. Whether the range reads as a range or as four products that happen to share a producer. The documents handed over at a trade show, and whether they resemble the ones from last year. Whether the same identity appears at every point of contact, or a slightly different one appears each time because each was made by whoever was available. None of it changes the fruit. All of it changes what the fruit is understood to be.

Interchangeability is not a neutral state. It has a price, and it is paid every year in negotiation. A supplier indistinguishable from three others negotiates against three others permanently — every renewal, every season, every time the buyer's targets move. Over a few cycles, the gap between a supplier the buyer wants and a supplier the buyer accepts runs well past what it costs to become the first one.

This is also why the problem stays invisible for a long time. Nothing breaks. Volumes hold. The relationship is cordial. What is lost only registers as an absence: the price that could have been held, the listing that moved on a marginal difference, the range extension the buyer developed with someone more memorable. None of that appears in a report. It shows up as a slow flattening of margin that gets attributed to the market.

The specification is not the problem. It is doing exactly what it was built to do — establish a floor, guarantee safety, make trade possible between parties who cannot inspect each other. It was never designed to decide anything.

Meeting it proves you belong in the room. Something else decides who leaves with the contract. In a category where everyone qualifies, that something is either a reason to prefer you, or it is the price.