6.

When adopting or updating the Union list, the Commission shall apply the criteria set out in paragraph 3 with due consideration to the implementation cost for Member States, the cost of inaction, the cost-effectiveness and the socio-economic aspects. The Union list shall include as a priority those invasive alien species that: are not yet present in the Union or are at an early stage of invasion and are most likely to have a significant adverse impact; are already established in the Union and have the most significant adverse impact.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.