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	Australian Certified Organic Australia · Tier 1 Gold	Bio-Siegel (Germany) Germany · Tier 1 Gold	Bioland Germany · Tier 2 Trusted	EU Ecolabel (Flower) European Union · Tier 3 Specialty
What it means	Australia's largest organic certifier, accredited under the Australian National Standard for Organic and Bio-Dynamic Produce. The bud-and-leaf logo is the most-seen organic mark in Australian supermarkets.	Germany's national organic mark, owned by the Federal Ministry of Food and Agriculture. Sits alongside the EU Leaf on most German organic packaging since 2001. Same standard as the EU Leaf — Bio-Siegel is the brand consumers recognise.	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.	The European Commission's voluntary environmental label. Covers cleaning products, paper, textiles, electronics, accommodation services. NOT an organic mark.
Scope	Food	Food	Food	Several categories
Established	2002	2001	1971	1992
Inspection	Annual on-site, ACOS-accredited	Annual on-site by EU-accredited German control body	Annual on-site by Bioland-accredited inspectors	Annual audit by national Ecolabel competent body
Residue testing	Risk-based	Risk-based	Required	Per-category limits
Guarantees	≥95% organic ingredients. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare and biodynamic-compatible production options.	EU baseline organic (EU 2018/848). Annual on-site inspection by accredited German certifier.	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.	Lifecycle-based environmental criteria per product category. Restrictions on hazardous chemicals. Annual licence renewal with audit.
Does NOT	Australia has no single mandatory organic mark — ACO is the dominant one, but NASAA, OFC, and others also certify.	Same standard as the EU Leaf — not stricter.	Like Naturland, membership-based — only Bioland-association farms can use the mark.	Doesn't apply to food. Doesn't mean organic.

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