NEN EN 14534 : 2016 C1 2017

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Performance indicators
  4.1 General
  4.2 Calculation and presentation of on-time performance
5 Methodology
  5.1 Representative test mail methodology
  5.2 Creation of test mail
  5.3 Establishing the date of deposit
  5.4 Sample design
  5.5 Real mail studies
  5.6 Geographical stratification
  5.7 Geographical distribution of the receiving panel
  5.8 Distribution of senders
  5.9 Estimators
  5.10 Aggregation of results
6 Test mail characteristics
  6.1 General
  6.2 Discriminant mail characteristics
7 Report
8 Quality control and auditing
Annex A (normative) Calculation of the variance of the
        estimator of the on-time probability
Annex B (normative) Calculation rule
Annex C (normative) Quality control and auditing
Annex D (informative) Real mail studies
Annex E (informative) Validation rules for test items
Annex F (informative) Additional reporting
Bibliography

Defines methods for measuring the end-to-end transit-time of domestic and cross-border bulk mail, collected, processed and delivered by postal service operators. Also considers methods using representative end-to-end samples for all types of bulk-mail services with defined transit-time service-levels as offered to the postal customer.