
1.		EN 14012 : postal services: quality of service: measurement of complaints and redress procedures / European Committee for Standardization Data Publicação: 2003 Tema: Normas
2.		EN 14508 [documento electrónico] : postal services: quality of service: measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail / European Committee for Standardization Data Publicação: 2003 Tema: Normas
3.		CEN/TR 14709 [documento electrónico] : postal services: quality of service: guide for the implementation of EN 13850 / European Committee for Standardization Data Publicação: 2003 Tema: Normas
4.		EN 14012 [documento electrónico] : postal services: quality of service: complaints handling principles / European Commitee for Standardization Data Publicação: 2008 Tema: Normas
5.		CEN/TR 14709 [documento electrónico] : postal services: quality of service: guide for the implementation of EN 13850 / European Committee for Standardization Data Publicação: 2006 Tema: Normas
6.		EN 14508 [documento electrónico] : 2003+A1: postal services: quality of service: measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail / European Committee for Standardization Data Publicação: 2007 Tema: Normas
7.		EN 14534 [documento electrónico] : 2003+A1: postal services: quality of service: measurement of the transit time of end-to-end services for bulk mail / European Committee for Standardization Data Publicação: 2007 Tema: Normas
8.		CEN/TR 15369 [documento electrónico] : postal services: quality of service: guide for the implementation of EN 14534 measurement of the transit time of enf-to-end services for bulk mail / European Committee for Standardization Data Publicação: 2006 Tema: Normas
9.		CEN/TR 15472 [documento electrónico] : postal services: measurement of transit times for parcels by the use of a track and trace system / European Committee for Standardization Data Publicação: 2006 Tema: Normas
10.		CEN/TS 15511 [documento electrónico] : postal services: quality of service: information available on postal services / European Committee for Standardization Data Publicação: 2008 Tema: Normas
11.		CEN/TR 15735 [documento electrónico] : postal services: quality of service: distance to access points / European Committee for Standardization Data Publicação: 2008 Tema: Normas
12.		EN 13850 [documento eletrónico] : postal services: quality of services: measurement of the transit time of end-to-end services for single piece priority mail and first class mail / European Committee for Standardization Data Publicação: 2012 Tema: Normas