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	Tún (Iceland) Iceland · Tier 1 Gold	Bio Suisse 'Knospe' (Bud) Switzerland · Tier 2 Trusted	Debio Ø (Norway) Norway · Tier 2 Trusted	Bioland Germany · Tier 2 Trusted
What it means	Vottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.	The Swiss organic farmers' federation mark. The Knospe (Bud) is the dominant organic mark in Swiss supermarkets and operates to standards stricter than the Swiss federal organic ordinance.	Norway's only accredited organic certifier. The Ø-merket is required on any food sold as 'økologisk' in Norway. Operates to EU 2018/848 equivalence plus Norwegian add-ons.	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.
Scope	Food	Food	Food	Food
Established	1994	1981	1986	1971
Inspection	Annual on-site, MAST-accredited	Annual on-site, bio.inspecta accredited	Annual on-site by Debio-accredited inspectors	Annual on-site by Bioland-accredited inspectors
Residue testing	Required for at-risk operations	Required	Required	Required
Guarantees	≥95% organic ingredients per EU rules. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).	Whole-farm conversion. Lower nitrogen inputs than the Swiss federal organic baseline. Strong animal welfare requirements. Annual on-site inspection.	EU baseline organic. Annual on-site inspection. Norwegian-specific welfare standards (esp. for cold-climate livestock).	Whole-farm conversion (no parallel conventional production). Lower permitted nitrogen inputs than EU baseline. Animal welfare standards stricter than EU baseline. Annual on-site inspection.
Does NOT	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Switzerland is outside the EU — the Knospe is recognised by the EU under the Switzerland-EU equivalence agreement, but not by USDA without further certification.	Norway is outside the EU — the Ø is recognised under EEA equivalence, not direct EU equivalence.	Like Naturland, membership-based — only Bioland-association farms can use the mark.

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