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	Bio-Siegel (Germany) Germany · Tier 1 Gold	OTC OEKO-TEX Organic Cotton Global · Tier 2 Trusted	China Organic (COFCC) China · Tier 1 Gold	Global Organic Textile Standard Global · Tier 2 Trusted
What it means	Germany's national organic mark, owned by the Federal Ministry of Food and Agriculture. Sits alongside the EU Leaf on most German organic packaging since 2001. Same standard as the EU Leaf — Bio-Siegel is the brand consumers recognise.	Launched 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.	China's national organic certification under the Certification and Accreditation Administration. Mandatory on any product sold as '有机' (organic) in mainland China.	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.
Scope	Food	Textiles	Food	Textiles
Established	2001	2023	2005	2002
Inspection	Annual on-site by EU-accredited German control body	Annual on-site by OEKO-TEX-accredited institute (Hohenstein et al.)	Annual on-site by CNCA-accredited certifier	Annual on-site, IOAS-accredited
Residue testing	Risk-based	Required (Standard 100 panel + GMO/pesticide screening)	Required	Required for finished products
Guarantees	EU baseline organic (EU 2018/848). Annual on-site inspection by accredited German certifier.	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.	≥95% organic ingredients. No synthetic pesticides, no GMOs. Annual third-party certification. Each certified product carries a unique 17-digit traceability code.	≥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.
Does NOT	Same standard as the EU Leaf — not stricter.	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).	Imported organic foods must be re-certified under the Chinese standard — overseas certifications alone are not accepted for the 有机 label.	Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.

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