Definition: EIRA Architecture Building Block ABB is a Requirement acting as a requirement of an intermediate level of granularity, in alignment with at least one EIF principle, formulated as an agreed normative statement in functional terms on a legal, organisational, semantic, or technical attribute of a To-Be European Public Service. An EIRA ABB might encapsulate several interoperability aspects Source: Europa Source reference: (https://ec.europa.eu/digital-building-blocks/wikis/display/CEFDIGITAL/What+is+a+Building+Block) Example: The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): A Legal Act is an EIRA Architecture Building Block from a Legal view perspective. Identifier: http://data.europa.eu/dr8/EIRAArchitectureBuildingBlockRequirement eira:ID: ABB607 ABB name: eira:EIRAArchitectureBuildingBlockRequirement Last modification: 2022-23-01