This standard provides recommended minimum requirements for the processing of aeronautical data. It aims to assist aeronautical data chain participants and regulatory authorities in meeting their responsibilities. It is intended to be used by organizations seeking approval of the method(s) they use to process or manipulate data. ED-76B updates ED-76A and takes into account suggested changes from industry and authorities’ experience and feedback, as well as the related regulation and technical standards. Corrigendum 1 corrects an editorial error in requirement R_008