The minimum mandatory items of data to be stored in the LDS on the contactless IC SHALL be a duplication of the
machine readable zone data in Data Group 1 and the holder’s facial image in Data Group 2. In addition, the IC in a
compliant eMRTD SHALL contain the Document Security Object (EF.SOD) that is required to validate the integrity of
data created by the issuer. These data items are stored in a Dedicated File (DF) known as the eMRTD Application, and
specified in the LDS. The Document Security Object (EF.SOD) consists of the hashes of the Data Groups used.