2023EN 14534:2023 Postal services - Quality of service - Measurement of the transit time of end-to-end services for bulk mail
2017EN 14534:2016/AC:2017 Postal services - Quality of service - Measurement of the transit time of end-to-end services for bulk mail
2016EN 14534:2016 Postal services - Quality of service - Measurement of the transit time of end-to-end services for bulk mail
2003EN 14534:2003 Postal services - Quality of service - Measurement of the transit time of end-to-end services for bulk mail (Incorporates Amendment A1: 2007)