For any or all biometric sample types as necessary, establishes the following: terms and definitions that are useful in the specification and use of quality metrics; purpose and interpretation of biometric quality scores; encoding of quality data fields in biometric data interchange formats; methods for developing biometric sample datasets for the purpose of quality score normalisation; format for exchange of quality algorithm results; methods for aggregation of quality scores. The following are outside the scope of ISO/IEC 29794-1:2016: specification of minimum requirements for sample, module, or system quality scores; performance assessment of quality algorithms; standardization of quality algorithms.