CWA 17028-203:2016 Business Interoperability Interfaces for Public Procurement in Europe - E-Catalogue - Part 203: UBL Syntax Implementation Guideline / Trdm020 Catalogue Item Update
2020CWA 17028-203:2016 Business Interoperability Interfaces for Public Procurement in Europe - E-Catalogue - Part 203: UBL Syntax Implementation Guideline / Trdm020 Catalogue Item Update