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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
SisOrg — Produto Orgânico Brasil logo
SisOrg — Produto Orgânico Brasil
Brazil · 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.Brazil's national organic mark under the Sistema Brasileiro de Avaliação da Conformidade Orgânica, administered by MAPA. Required on any food sold as 'orgânico' in Brazil.
ScopeTextilesSeveral categoriesFood
Established202319862009
InspectionAnnual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)Annual on-site, NASAA-accreditedAnnual on-site, MAPA-accredited
Residue testingRequired (Standard 100 panel + GMO/pesticide screening)Risk-basedRequired for export
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 per Brazilian Organic Law 10.831/2003.
  • Annual on-site inspection by MAPA-accredited certifier OR a participatory-guarantee group (OPAC).
  • Two valid pathways: third-party certification OR a peer-reviewed OPAC system.
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).
  • OPAC (peer-review) certified products are valid in Brazil but typically not accepted for export — exporters need third-party (e.g. IBD).

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Compare certifications · Organic.is