29Under Article 5(3)(a) and (b) of Directive 91/676, and Annex II.A, point 1, thereto, those action programmes are to take into account the best available scientific and technical data (see, by analogy, the judgment in Commission v Ireland, C‑418/04, EU:C:2007:780, paragraph 63, and the physical, geological and climatic conditions of each region (see, to that effect, Commission v Netherlands, EU:C:2003:532, paragraphs 136 and 155).
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