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	Bioland Germany · Tier 2 Trusted	Bio Suisse 'Knospe' (Bud) Switzerland · Tier 2 Trusted	Korea Organic South Korea · Tier 1 Gold	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted
What it means	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.	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.	South Korea's national organic mark under MAFRA (Ministry of Agriculture, Food and Rural Affairs). Required on any food sold as 유기농 in Korea.	National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.
Scope	Food	Food	Food	Several categories
Established	1971	1981	2001	1986
Inspection	Annual on-site by Bioland-accredited inspectors	Annual on-site, bio.inspecta accredited	Annual on-site by MAFRA-accredited certifier	Annual on-site, NASAA-accredited
Residue testing	Required	Required	Required	Risk-based
Guarantees	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.	Whole-farm conversion. Lower nitrogen inputs than the Swiss federal organic baseline. Strong animal welfare requirements. Annual on-site inspection.	≥95% organic ingredients. No synthetic pesticides, no GMOs. Annual on-site inspection by a MAFRA-accredited certifier.	Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce. Annual on-site inspection. Biodynamic certification option.
Does NOT	Like Naturland, membership-based — only Bioland-association farms can use the mark.	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.	Cosmetics and textiles are covered under separate Korean schemes, not this mark.	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).

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