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	Canada Organic Biologique Canada · Tier 1 Gold	Tún (Iceland) Iceland · Tier 1 Gold	USDA Organic United States · Tier 1 Gold	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted
What it means	The federal Canadian organic standard, mandatory on any agricultural product sold across provincial borders or imported as 'organic'.	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 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.	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	2009	1994	2002	1986
Inspection	Annual on-site by CFIA-accredited certifier	Annual on-site, MAST-accredited	Annual on-site by USDA-accredited certifier	Annual on-site, NASAA-accredited
Residue testing	Risk-based, conducted by accredited certifiers	Required for at-risk operations	Required on ≥5% of operations annually	Risk-based
Guarantees	≥95% organic ingredients (single-ingredient products: 100%). No synthetic pesticides, no GMOs, no irradiation. Annual third-party certification under the Canada Organic Regime.	≥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).	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.	Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce. Annual on-site inspection. Biodynamic certification option.
Does NOT	Provincial sales-only operations are not legally required to carry it (though many do voluntarily).	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	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.	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).

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