Public Administrations are benefiting from EIRA© and eGovERA© as responses to their needs for more interoperable Digital Public Services.
Below are summarised all success stories, stay tuned for more!

eGovERA based VAT4SME model in support of the SME-SS (Special Scheme)

First public procurement use case for EIRA© and ITB with CACSA

eGovERA© success on ViDA e-invoicing requirements with DG TAXUD
Other successful stories
Open Data SAT v1.0.1 Beta - Enterprise and Solution architects can use this document to design solution architectures in the domain of Open Data.
eHI (Human Interface) SAT v1.0.1 - Enterprise and Solution architects can use this document and the related SAT model to design solution architectures that have a Human Interface (as opposed to a machine-to-machine interface) as part of the solution. The proposed solution architecture template is EC centric.
eDelivery SAT v1.0.1 - Enterprise and Solution architects can use this document to design solution architectures in the domain of eDelivery.
eID SAT v1.0.1 – Enterprise and Solution architects can use this document to design solution architectures in the domain of eID cross border authenticated service.
Interoperability Testing SAT v1.0.0 - Enterprise and Solution architects can use this document when defining the architecture of their solution in order to introduce a platform to support interoperability and conformance testing. This assumes that the solution in question is required to foresee a well-defined means to enable such testing for its user community.
e-Procurement - Enterprise and Solution architects can use this document to design solution architectures in the domain of e-Procurement. This SAT is to provides guidance by defining core legal, organisational, semantic and technical interoperability architecture in the domain of e-Procurement, and should allow businesses, citizens and public administrations to have a common understanding of the most-salient building blocks.
CoS - Enterprise and Solution architects can use the SAT model to design solution architectures in the domain of Public Catalogue of Services.