Section 04 · The Dossier E-17
The Paper Chain
Registration, evaluation and authorisation: the sequence a substance moves through before anything may be said about it in commerce.
From notification to permission
A substance does not arrive in the market with a clean bill. It arrives with a dossier — a structured submission that records what is known, what has been tested, and what gaps remain. The dossier is the starting point of a paper chain that runs through at least three distinct administrative stages, each with its own trigger, its own agency, and its own consequence for what the manufacturer may lawfully claim or supply.
Under the European framework established by REACH — the Registration, Evaluation, Authorisation and Restriction of Chemicals regulation, in force since 2007 — the sequence is not optional and not simultaneous. Registration comes first. A substance manufactured in or imported into the European Economic Area above one tonne per year must be registered with the European Chemicals Agency (ECHA) in Helsinki before it is placed on the market. The registration submission contains identity information, physico-chemical data, use and exposure information, and the test results the tonnage band demands. Nothing that follows is possible without it.
Evaluation: scrutiny on two tracks
Registration closes a door only if the submission is complete; evaluation is where ECHA and the member state competent authorities examine whether completeness was real. It runs on two parallel tracks.
Dossier evaluation checks that the registrant followed the rules — that studies cited are genuinely conducted, that read-across arguments are properly substantiated, and that data waiving is not used merely to avoid inconvenient testing. Where ECHA finds the record insufficient, it issues a decision requiring further information; the registrant must supply it within a fixed deadline or face enforcement action.
Substance evaluation is different in character. Here a member state authority selects a substance because it suspects there may be a concern that the dossier, even if formally complete, has not resolved. The authority becomes the lead evaluator, works to a rolling action plan published by ECHA, and may conclude that no further action is needed — or that the substance warrants a step further up the chain.
Authorisation: the narrowing gate
Authorisation applies only to substances of very high concern: a defined category that includes, among others, substances meeting the criteria for carcinogenicity, mutagenicity or reproductive toxicity of category 1A or 1B, and substances identified as persistent, bioaccumulative and toxic. The process begins when ECHA's Committee for Risk Assessment and Committee for Socio-Economic Analysis prepare opinions on an application submitted by a would-be user.
The key discipline of authorisation is that permission to use a substance is granted for a specific use, by a specific applicant, for a fixed review period. It is not a general clearance. If the applicant can demonstrate that risks are adequately controlled, or — where adequate control cannot be demonstrated — that the socio-economic benefits outweigh the risks and that no suitable alternatives exist, ECHA recommends and the European Commission decides. A positive decision is narrower than it looks: it licenses that applicant, for that use, until the review date. A different use by the same company, or the same use by a different company, requires its own application.
What the chain produces
The paper chain is not a guarantee of outcome; it is a guarantee of process. A substance that has completed registration has a dossier on record. One that has passed dossier evaluation has had that record examined. One that holds an authorisation has had a specific use weighed and permitted under defined conditions. Each stage is distinct, and the record at each stage — the registration dossier itself, the evaluation decisions, the authorisation opinion and the Commission decision — forms the documentary spine that supports everything a measurement report references when it characterises a substance and situates a result within a legal and administrative context.
Measurement without that spine is a number without provenance. The paper chain is what gives the number somewhere to stand.
Filed inSection 04 — The Dossier