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	NASAA Certified Organic (Australia) Australia · Tier 2 Trusted	China Organic (COFCC) China · Tier 1 Gold	Bio-Siegel (Germany) Germany · Tier 1 Gold
What it means	National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.	China's national organic certification under the Certification and Accreditation Administration. Mandatory on any product sold as '有机' (organic) in mainland China.	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.
Scope	Several categories	Food	Food
Established	1986	2005	2001
Inspection	Annual on-site, NASAA-accredited	Annual on-site by CNCA-accredited certifier	Annual on-site by EU-accredited German control body
Residue testing	Risk-based	Required	Risk-based
Guarantees	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 GMOs. Annual third-party certification. Each certified product carries a unique 17-digit traceability code.	EU baseline organic (EU 2018/848). Annual on-site inspection by accredited German certifier.
Does NOT	Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).	Imported organic foods must be re-certified under the Chinese standard — overseas certifications alone are not accepted for the 有机 label.	Same standard as the EU Leaf — not stricter.

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