General principles
Article 4
Actions launched or continued under the ISA2 programme shall:
1. be based on utility and driven by identified needs and programme objectives;
2. comply with the following principles:
  - subsidiarity and proportionality,
  - user-centricity,
  - inclusion and accessibility,
  - delivery of public services in such a way as to prevent digital divide,
  - security, respect for privacy and data protection,
  - multilingualism,
  - administrative simplification and modernisation,
  - transparency,
  - preservation of information,
  - openness,
  - re-usability and avoidance of duplication,
  - technological neutrality, solutions which, insofar as possible, are future-proof, and adaptability,
  - effectiveness and efficiency;
3. be flexible, extensible and applicable to other business or policy areas; and
4. demonstrate financial, organisational and technical sustainability.