On June 30, 2025, the European Chemicals Agency (ECHA) reminded companies that, from July 1, 2026, all applications for the renewal of biocidal active substance approvals under the Biocidal Products Regulation (BPR) must include approval data submitted in the International Uniform Chemical Information Database (IUCLID) format. The requirement will apply to all approval data, including information originally submitted as part of the initial active substance approval application. ECHA encouraged applicants to begin preparing and converting existing approval data into IUCLID format and to familiarize themselves with the IUCLID Validation Assistant, which helps identify missing or incorrectly placed information before dossier submission. The agency noted that standardized IUCLID dossiers will improve data accessibility for chemical risk assessments, support the “one substance, one assessment” approach, facilitate data analysis, promote the use of alternative testing methods, and streamline regulatory evaluations. The change marks the end of a legacy practice under the Review Programme that allowed Member States to accept non-structured, non-IUCLID data for certain biocidal active substances. By requiring IUCLID-formatted dossiers for renewal applications, ECHA aims to align biocides data submission requirements more closely with those applied under other EU chemicals legislation and improve the efficiency and consistency of the active substance approval process.
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