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Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
NASAA Certified Organic (Australia) logo
NASAA Certified Organic (Australia)
Australia · Tier 2 Trusted
What it meansThe 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.National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.
ScopeTextilesFoodSeveral categories
Established200219941986
InspectionAnnual on-site, IOAS-accreditedAnnual on-site, MAST-accreditedAnnual on-site, NASAA-accredited
Residue testingRequired for finished productsRequired for at-risk operationsRisk-based
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).
  • Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce.
  • Annual on-site inspection.
  • Biodynamic certification option.
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.
  • Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).

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