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	USDA Organic United States · Tier 1 Gold	Bio-Siegel (Germany) Germany · Tier 1 Gold	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted	Tún (Iceland) Iceland · Tier 1 Gold
What it means	The US Department of Agriculture's national organic standard. The green-and-white seal is the legal mark for any food sold as 'organic' in the United States.	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.	National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.	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.
Scope	Food	Food	Several categories	Food
Established	2002	2001	1986	1994
Inspection	Annual on-site by USDA-accredited certifier	Annual on-site by EU-accredited German control body	Annual on-site, NASAA-accredited	Annual on-site, MAST-accredited
Residue testing	Required on ≥5% of operations annually	Risk-based	Risk-based	Required for at-risk operations
Guarantees	At least 95% of ingredients are certified organic (the '100% Organic' variant requires every ingredient). No synthetic pesticides, no synthetic fertilizers, no GMOs, no sewage sludge, no irradiation. Annual on-site inspection by a USDA-accredited certifier. Residue testing on at least 5% of certified operations each year.	EU baseline organic (EU 2018/848). Annual on-site inspection by accredited German certifier.	Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce. Annual on-site inspection. Biodynamic certification option.	≥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).
Does NOT	Doesn't certify nutrition, taste, or animal welfare specifically (separate marks like AWA cover welfare). Doesn't guarantee local production — a 'USDA Organic' product can be grown anywhere with an accredited inspector.	Same standard as the EU Leaf — not stricter.	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.

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