GFCO (glutenfreecert.com) holds the manufacturer to whatever they self-declare (20ppm, 10ppm, 5ppm, etc and even undetectable). GFCO certifies individual produ

GFCO (glutenfreecert.com) holds the manufacturer to whatever they self-declare (20ppm, 10ppm, 5ppm, etc and even undetectable). GFCO certifies individual products with testing. GFCP certifies facilities with required systems and processes. These folks basically do the certification at a higher place in the chain and is where the industry is headed.