Envelopes - Part 1: Sizes
Edition 1998-01

Envelopes - Part 2: Envelopes for processing in enveloping machines, size C6 to C4
Edition 2008-02

Window envelopes - Sizes and position of the window
Edition 2008-02

Envelopes - Terms
Edition 2007-01

Postal services - Mail item processing - Optical characteristics for processing letters; German version EN 13619:2002
Edition 2003-04

Postal services - Quality of services - Measurement of the transit time of end-to-end services for single piece priority mail and first class mail; German version EN 13850:2020
Edition 2020-10

Postal services - Trays for international letter mail - Test methods and performance requirements; German version EN 14482:2010
Edition 2011-01

Postal services - Quality of service - Measurement of loss and substantial delay in priority and first class single piece mail using a survey of test letters; German version CEN/TS 14773:2004
Edition 2004-12

Postal services - Hybrid Mail - XML definition of encapsulation of letters for automated postal handling; English version CEN/TS 14014:2015
Edition 2015-08

Postal Services - Statement of Mailing submission; German version CEN/TS 15523:2011
Edition 2011-12