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	Global Organic Textile Standard Global · Tier 2 Trusted	Tún (Iceland) Iceland · Tier 1 Gold	Fairtrade International Global · Tier 3 Specialty	Non-GMO Project Verified United States · Tier 3 Specialty
What it means	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.	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.	Certifies fair prices and conditions for producers in developing countries — not organic, not environmental. Common on coffee, cocoa, sugar, bananas, tea.	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.
Scope	Textiles	Food	Food	Food
Established	2002	1994	1997	2010
Inspection	Annual on-site, IOAS-accredited	Annual on-site, MAST-accredited	Annual on-site by FLOCERT (independent of Fairtrade International)	Annual third-party audit + lab testing
Residue testing	Required for finished products	Required for at-risk operations	Not for organic — Fairtrade alone doesn't test residues	GMO testing only (not pesticide)
Guarantees	≥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 per EU rules. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).	Minimum price floors for producer cooperatives. Fairtrade Premium paid into community-development funds. Bans on the worst forms of child and forced labour. Producer organisations must be small-farmer cooperatives or hired-labour plantations meeting standards.	Verified absence of GMO ingredients (with action thresholds, not zero tolerance). Annual third-party verification. Tracing and segregation across the supply chain.
Does NOT	Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Doesn't mean organic — many Fairtrade products are conventionally grown. A separate Fairtrade-Organic dual certification exists.	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.

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