Recommendation 13

Recommendation 13 | Principle 6: User-centricity

As far as possible under the legislation in force, ask users of European public services once-only and relevant-only information.

List of all available solutions that implement this recommendation

Core Public Service Vocabulary Application Profile (CPSV-AP)	The creation of a Catalogue of Public Services by public administrations helps to ensure the implementation of once-only principle, by gathering all services in one place.
eCertis	The use of eCertis can be considered a cornerstone to achieve the once-only principle in public procurement in Europe.
eID	By being able to share citizens' information across borders through the e-IDAS nodes, eID promote the once-only principle.
ESPD exchange data model	The use of ESPD exchange data model can be considered a cornerstone to achieve the once-only principle in public procurement in Europe.
European Union Location Framework Blueprint	EULF Blueprint Recommendation 8 on user-centric design promotes the adoption of the once-only principle, as well as recommending that the requested information should be relevant and proportionate to the needs of the service and the associated legislation.
IMAPS solution v1.2	Question D9 of the Service Delivery section of the IMPAS questionnaire assesses whether public administrations implement the once-only principle and pre-fill information fields with the already collected data.
Registry of Registers	The creation and use of base registries helps to structure information in a standardised way and ensure that it is asked once only from citizens and businesses.