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	Tún (Iceland) Iceland · Tier 1 Gold	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted	Canada Organic Biologique Canada · Tier 1 Gold	USDA Organic United States · Tier 1 Gold
What it means	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.	The federal Canadian organic standard, mandatory on any agricultural product sold across provincial borders or imported as '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.
Scope	Food	Several categories	Food	Food
Established	1994	1986	2009	2002
Inspection	Annual on-site, MAST-accredited	Annual on-site, NASAA-accredited	Annual on-site by CFIA-accredited certifier	Annual on-site by USDA-accredited certifier
Residue testing	Required for at-risk operations	Risk-based	Risk-based, conducted by accredited certifiers	Required on ≥5% of operations annually
Guarantees	≥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.	≥95% organic ingredients (single-ingredient products: 100%). No synthetic pesticides, no GMOs, no irradiation. Annual third-party certification under the Canada Organic Regime.	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.
Does NOT	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).	Provincial sales-only operations are not legally required to carry it (though many do voluntarily).	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.

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