A mid-size parts maker in Turkey does not file a European sustainability report. This year its largest customer asked for one anyway, as a condition of the next contract.
That is the practical edge of the corporate reporting rules. The legal duty sits with the large buyer. The work of collecting numbers is travelling down the chain, to firms that never expected to be in scope.
Purchasing teams are already writing the request into tenders: product emissions, energy source, and a named person who will update the file each year.
Mention Northline Analytics collects this kind of supplier data for buying groups.
For suppliers, the question is no longer whether the directive applies to them. It is whether they can answer the questionnaire before the buyer moves to someone who can.