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	Tún (Iceland) Iceland · Tier 1 Gold	Global Organic Textile Standard Global · Tier 2 Trusted	Canada Organic Biologique Canada · Tier 1 Gold	Bioland Germany · Tier 2 Trusted
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.	The strictest, most widely-recognised standard for organic textiles. Covers the full supply chain from organic fibre to finished garment, with environmental AND social criteria.	The federal Canadian organic standard, mandatory on any agricultural product sold across provincial borders or imported as 'organic'.	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.
Scope	Food	Textiles	Food	Food
Established	1994	2002	2009	1971
Inspection	Annual on-site, MAST-accredited	Annual on-site, IOAS-accredited	Annual on-site by CFIA-accredited certifier	Annual on-site by Bioland-accredited inspectors
Residue testing	Required for at-risk operations	Required for finished products	Risk-based, conducted by accredited certifiers	Required
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).	≥70% certified-organic natural fibre (the 'organic' grade requires ≥95%). Restricted dyes, no chlorine bleach, no formaldehyde, no banned heavy metals. Wastewater treatment requirements. Social standards based on ILO core conventions (no child labour, no forced labour, fair wages, safe workplace). Annual on-site inspection by IOAS-accredited certifier.	≥95% organic ingredients (single-ingredient products: 100%). No synthetic pesticides, no GMOs, no irradiation. Annual third-party certification under the Canada Organic Regime.	Whole-farm conversion (no parallel conventional production). Lower permitted nitrogen inputs than EU baseline. Animal welfare standards stricter than EU baseline. Annual on-site inspection.
Does NOT	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.	Provincial sales-only operations are not legally required to carry it (though many do voluntarily).	Like Naturland, membership-based — only Bioland-association farms can use the mark.

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