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	Tún (Iceland) Iceland · Tier 1 Gold	Korea Organic South Korea · Tier 1 Gold	USDA Organic United States · Tier 1 Gold	Canada Organic Biologique Canada · 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.	South Korea's national organic mark under MAFRA (Ministry of Agriculture, Food and Rural Affairs). Required on any food sold as 유기농 in Korea.	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.	The federal Canadian organic standard, mandatory on any agricultural product sold across provincial borders or imported as 'organic'.
Scope	Food	Food	Food	Food
Established	1994	2001	2002	2009
Inspection	Annual on-site, MAST-accredited	Annual on-site by MAFRA-accredited certifier	Annual on-site by USDA-accredited certifier	Annual on-site by CFIA-accredited certifier
Residue testing	Required for at-risk operations	Required	Required on ≥5% of operations annually	Risk-based, conducted by accredited certifiers
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).	≥95% organic ingredients. No synthetic pesticides, no GMOs. Annual on-site inspection by a MAFRA-accredited certifier.	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 (single-ingredient products: 100%). No synthetic pesticides, no GMOs, no irradiation. Annual third-party certification under the Canada Organic Regime.
Does NOT	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Cosmetics and textiles are covered under separate Korean schemes, not this mark.	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.	Provincial sales-only operations are not legally required to carry it (though many do voluntarily).

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