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	Tún (Iceland) Iceland · Tier 1 Gold	Global Organic Textile Standard Global · Tier 2 Trusted	SisOrg — Produto Orgânico Brasil Brazil · Tier 1 Gold	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted
What it means	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.	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.	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.	National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.
Scope	Food	Textiles	Food	Several categories
Established	1994	2002	2009	1986
Inspection	Annual on-site, MAST-accredited	Annual on-site, IOAS-accredited	Annual on-site, MAPA-accredited	Annual on-site, NASAA-accredited
Residue testing	Required for at-risk operations	Required for finished products	Required for export	Risk-based
Guarantees	≥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).	≥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 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.	Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce. Annual on-site inspection. Biodynamic certification option.
Does NOT	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.	OPAC (peer-review) certified products are valid in Brazil but typically not accepted for export — exporters need third-party (e.g. IBD).	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).

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