This technical specification provides guidance on • capturing of facial images to be used as reference images in identity or similar documents, • capturing of fingerprint images to be used as reference images in identity or similar documents, • data quality maintenance for biometric reference data, • data authenticity maintenance for biometric reference data. The TS addresses the following aspects which are specific for biometric reference data capturing: • biometric data quality and interoperability ensurance, • data authenticity ensurance, • morphing and other presentation attack detection, • accessibility and usability, • privacy and data protection, • optimal process design. The following aspects are out of scope: • IT security, • data capturing for verification purposes, e.g., in ABC gates. • self-taken images, although a section on this has been included