scope:

This Technical Report is an implementation guide to EN 13850 for use by postal operators, regulators and those responsible for commissioning, carrying out, or auditing the measurement of postal service quality. It gives information, which will facilitate the implementation of EN 13850. It gives an overview of the processes required and factors to consider when measuring quality of service. It provides guidance on alternative approaches allowed in the Standard including how to select and calculate alternative or additional discriminant factors and methods for weighting of strata. It describes a process for implementation of the measurement system, and provides examples and clarification on specific requirements of EN 13850. It gives information on how to interpret the test results obtained by measurement according to the standard.