SS-EN-14012 Complete Document History
Postal services - Quality of service - Complaints handling principles

Complete Current Edition:
   2019 EDITION - Complaints handling principles - Sept. 23, 2019

Obsolete Revision Information:
   2008 EDITION - ENGLISH LANGUAGE EDITION - Dec. 8, 2008
   EDITION 1 - ENGLISH LANGUAGE EDITION - March 28, 2003