| Categories of Commission personnel | Access to C-UE/EU- C and S-UE/EU-S information | Conditions |
|---|
| Officials | Yes | Vetting + briefing + acknowledge + authorisation + need-to-know |
| Temporary agents | Yes | Vetting + briefing + acknowledge + authorisation + need-to-know |
| Contractual agents | Yes | Vetting + briefing + acknowledge + authorisation + need-to-know |
| Seconded national experts (SNEs) | Yes | Only when cleared by EU Member States prior to taking up their assignment + briefed by the Commission + acknowledge + authorised by the Commission + need-to-know |
| Trainees | No | No exceptions possible |
| Any other category of personnel (interim, intra-muros externals etc.) | No | Consult the Commission security authority for any exceptions |