# European Standard (EN) — Certification marks and hazardous-area classifications: cross-market equivalences For European Standard (EN), market / system is Europe; meaning is A-deviations do not release CENELEC members from their obligation to implement the relevant European Standard; administered by is CENELEC, recorded from its source on 2026-08-11. - **Designation:** European Standard (EN) - **Market / system:** Europe - **Meaning:** A-deviations do not release CENELEC members from their obligation to implement the relevant European Standard _(verified: appears in the quote below)_ - **Administered by:** CENELEC _(verified: appears in the quote below)_ ## What the source says > A-deviations do not release CENELEC members from their obligation to implement the relevant European Standard ## Source - https://boss.cenelec.eu/homegrowndeliverables/en/pages/adev/ Last verified: 2026-08-11. Review by: 2027-08-11. Part of [Certification marks and hazardous-area classifications: cross-market equivalences](https://referencesource.org/certification-standards-equivalence/).