(51)To determine, where necessary, the similarity of active substances, it is appropriate to lay down rules concerning technical equivalence.
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New version applies from 25/04/2014.
113 provisions change.
Later versions: 20/11/2019, 29/03/2021, 10/06/2021, 15/04/2022, 26/05/2024, 11/06/2024, 15/06/2026, 19/08/2026.
Recital 51 changes in this version: compare with the current text.