5.

When manufacturers or importers are asked for further information and/or testing, they must also check, in view of the need to limit practical experiments on vertebrates, whether the information needed to evaluate the substance is not available from former manufacturers or importers of the declared substance and cannot be obtained, possibly against payment of costs. Where experiments are essential, it must be checked whether tests on animals cannot be replaced or limited by using other methods. Necessary laboratory tests must be performed with due respect for the principles of 'good laboratory practice' as laid down in Directive 87/18/EEC and for the provisions of Directive 86/609/EEC.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.