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	Global Organic Textile Standard Global · Tier 2 Trusted	Soil Association Organic United Kingdom · Tier 2 Trusted	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted	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.	The UK's largest organic certifier. Standards are stricter than the UK government's baseline (which still mirrors EU 2018/848 post-Brexit). Recognised by the EU and USA under equivalence.	National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.
Scope	Textiles	Several categories	Several categories	Food
Established	2002	1946	1986	2010
Inspection	Annual on-site, IOAS-accredited	Annual on-site, UKAS-accredited	Annual on-site, NASAA-accredited	Annual third-party audit + lab testing
Residue testing	Required for finished products	Risk-based	Risk-based	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.	Stricter-than-baseline organic standards across food, textiles, cosmetics, and farming. Annual on-site inspection. Animal welfare standards (outdoor access, lower stocking density).	Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce. Annual on-site inspection. Biodynamic certification option.	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.	Logo is trademarked — not a free-licence mark.	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.

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