DIN CEN/TS 15121-1 DIN SPEC 91198:2011-03

This document specifies a standard XML interface that will enable software applications to call a secured electronic postal service (SePS), provided by a postal service, which is based on the concepts, schemas and operations described herein. The specification provides: a definition of standard operations which can be combined to support secured electronic postal services; a full description of all mandatory and optional request parameters required for use of these operations; a full description of all response elements and the detailed circumstances under which they are returned.