This call for tenders concerns the provision of technical writing services to support the UPU’s software and IT solutions and services over a four-year period. These services will include, but are not limited to, the creation and publication of end-user documentation, as well as the management of additional technical documenta-tion tasks that may be assigned periodically. Throughout this call for tenders, the term “consultant” is used to refer to the technical writer, whose services will be provided by the Vendor. The consultant will work closely with the UPU International Bureau’s in-house technical writer to develop content for documentation deliverables. In this capacity, the consultant will communicate with the software development team and relevant stakeholders, but interaction with member countries is not required.