25 Apr 2008 Official Publication Amendment 3 Certification Specifications group AMC-20 General Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances Read MoreRelated Content Read More CS file [pdf] AMC-20 / Amendment 3 Related ED Decision ED Decision 2008/004/R Explanatory Note [pdf] Explanatory Note Related Content [pdf] Easy Access Rules for Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances (AMC-20) (Amendment 3)