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OTC
OEKO-TEX Organic Cotton
Global · Tier 2 Trusted
NASAA Certified Organic (Australia) logo
NASAA Certified Organic (Australia)
Australia · Tier 2 Trusted
JAS Organic logo
JAS Organic
Japan · Tier 1 Gold
What it meansLaunched April 2023 by the OEKO-TEX Association. A separate certificate from Standard 100 that combines the Standard 100 chemical-residue test with verified organic-cotton supply chain — addressing the long-standing confusion that Standard 100 alone is NOT an organic mark.National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.Japan's national organic standard under the Japanese Agricultural Standard system. The mark must appear on any food sold as 'organic' (有機 or オーガニック) in Japan.
ScopeTextilesSeveral categoriesFood
Established202319862001
InspectionAnnual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)Annual on-site, NASAA-accreditedAnnual on-site by MAFF-registered certifier
Residue testingRequired (Standard 100 panel + GMO/pesticide screening)Risk-basedRequired for high-risk operations
Guarantees
  • Two grades: 'Organic Cotton' (100% certified-organic cotton) and 'Organic Cotton Blended' (≥70% certified-organic cotton).
  • Full Standard 100 chemical residue test on the finished product.
  • Additional GMO test + pesticide residue test specific to organic farming.
  • Verified chain of custody from farm to finished product.
  • Annual re-certification with independent OEKO-TEX institute audits.
  • Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce.
  • Annual on-site inspection.
  • Biodynamic certification option.
  • ≥95% organic ingredients.
  • No synthetic pesticides, no synthetic fertilizers, no GMOs.
  • Annual inspection by a MAFF-registered certifier.
Does NOT
  • Doesn't certify the social/labour conditions across the supply chain in the way GOTS does (use OEKO-TEX STeP for that, or pair with GOTS).
  • Cotton-only — doesn't apply to other organic fibres (wool, hemp, linen).
  • Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).
  • Mutual recognition with the US, EU, and Canada applies to specific product categories — check each agreement before importing.

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