This document provides choreography specifications for exchanging an electronic product catalogue ( catalogues ) as part of the business processes in the pre-award and post-award area, so that catalogues can serve as a basis for placing orders as well as evaluating tenders. The key aspects covered by this choreography specification: Processes for submitting catalogues from the selling to the buying side Processes for submitting catalogue-related data as part of a tendering processes Processes integrating sell-side procurement systems Transaction used in the specified choreographies are out of scope. These transactions are specified in the related prEN 17015-2:-1. The relationship between the choreographies and the transaction is described in Clause 8. The identifier of this choreographies document is prEN 17015-1:-1. How to claim conformance to this choreography is described in the Claiming conformance section of each choreography.