ISO 2859-1 specifies the sampling system by characteristics. And this sampling is for acceptance for inspection. It is index as an Acceptance Quality Limit. Its purpose is to motivate all the suppliers who have received non-acceptance to achieve the process average as much as AQL. Also, psychological pressure is to motivate them to achieve the process average at least as much as the s... https://astarlegal.com/iso-2859-1-certification/