LPO: https://www.gob.mx/senasica/documentos/ley-de-productos-organicos

NOP: https://www.ams.usda.gov/rules-regulations/organic

UE: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02008R0889-20170521

JAS: https://www.maff.go.jp/e/policies/standard/jas/specific/organic.html

COR: https://www.inspection.gc.ca/organic-products/standards/eng/1300368619837/1300368673172

SENASICA: https://www.gob.mx/senasica

SOMEXPRO: http://www.somexpro.org/

ACA: https://www.accreditedcertifiers.org/

EOCC: https://eocc.nu/

OMRI: https://www.omri.org/

IFOAM: https://www.ifoam.bio/