tag:www.gov.uk,2005:/search/services Services from Natural Resources Wales 2021-02-24T08:00:33+00:00 HM Government tag:www.gov.uk,2005:/government/publications/habitats-regulations-assessment-derogation-notice 2021-02-24T08:00:33+00:00 Habitats regulations assessment: derogation notice Competent authorities must give notice of their decision to allow a plan or project that has an adverse effect on a European site to go ahead.