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	USDA Organic United States · Tier 1 Gold	Tún (Iceland) Iceland · Tier 1 Gold	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted	ECO Ecocert France · Tier 2 Trusted
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.	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.	National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.	France-based independent certifier operating in 130+ countries. One of the world's largest organic + cosmetics + textile certifiers. The 'Ecocert' wordmark on a package usually means Ecocert was the accredited body that ran the inspection against the national/EU standard.
Scope	Food	Food	Several categories	Several categories
Established	2002	1994	1986	1991
Inspection	Annual on-site by USDA-accredited certifier	Annual on-site, MAST-accredited	Annual on-site, NASAA-accredited	Annual on-site, ISO 17065-accredited
Residue testing	Required on ≥5% of operations annually	Required for at-risk operations	Risk-based	Risk-based per standard
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.	≥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).	Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce. Annual on-site inspection. Biodynamic certification option.	Inspection against the relevant national or private organic standard (EU 2018/848, USDA NOP, COSMOS, GOTS, Fair for Life, etc.). Annual on-site inspection. Accredited under multiple national systems including USDA NOP and EU 2018/848.
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.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).	Ecocert is the certifier, not the standard — the actual rules come from whichever organic regulation the product is certified under.

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