In the implementation of the ISA² programme, due consideration shall be given to the EIS and to the EIF.

In order to ensure interoperability between national and Union information systems, interoperability solutions shall be specified with reference to existing and new European standards or publicly available or open specifications for information exchange and service integration.

The establishment or improvement of interoperability solutions shall, where appropriate, build on, or be accompanied by, the exchange of views, sharing of experience and the exchange and promotion of best practices. To that end, the Commission shall bring together relevant stakeholders and organise conferences, workshops and other meetings on issues addressed by the ISA² programme.

In the implementation of interoperability solutions under the ISA² programme due consideration shall, where appropriate, be given to the EIRA.

Interoperability solutions and updates thereof shall, where appropriate, be included in the EIC and be made available for re-use by European public administrations.

The Commission shall, at all times, encourage and enable Member States to join an action or a project at any stage.

In order to avoid duplication, interoperability solutions financed under the ISA² programme shall, where appropriate, reference results achieved by relevant Union or Member State initiatives, and shall re-use existing interoperability solutions.

In order to maximise synergies and ensure complementary and combined efforts, actions shall, where appropriate, be coordinated with other relevant Union initiatives.

Interoperability solutions established or improved under the ISA² programme shall build on the sharing of experience and the exchange and promotion of best practices. The ISA² programme shall promote community building activities around frameworks and solutions of common interest, involving relevant stakeholders including non-profit organisations and universities.