Potential registrants of non-phase-in substances or phase-in substances that were not pre-registered have to inquire from ECHA whether a registration has previously been submitted for the same substance. In addition, they have to inform ECHA of their information needs so that the available data can be shared among the registrants of the same substance.
Similarly, registrants must also inform ECHA of the additional information that they would require for an update of a registration due to a tonnage band increase.
After assessment of an inquiry, ECHA facilitates the contact between the potential registrant and the previous registrants in order to enable data sharing. ECHA also provides potential registrants with a list of (robust) study summaries available in ECHA.
Potential registrants need to wait for the result of the inquiry before submitting the registration dossiers or starting any tests on vertebrate animals. The result of the inquiry may trigger legal obligations to submit a joint registration and share data.
The inquiry dossier must include enough information to allow the correct identification of the substance so that ECHA can determine whether the same substance has previously been registered or whether there are other inquirers for the same substance. The information submitted for the purposes of inquiry will not be published.
When preparing an inquiry dossier, potential registrants should pay specific attention to the substance identity information they provide to allow unequivocal substance identification as it is manufactured or imported.