With apologies for drifting off topic: how does that work between EU states? Can I endorse an EASA licence issued in Sweden using my FCL.945 priviliges issued in The Netherlands, having carried out the training flight in The Netherlands with the applicant? If 'competent authority' in that sentence should be interpreted as the NAA, signing off a licence issued by another NAA becomes impossible, which makes using EASA licences in various EU states rather complex. Or am I misinterpreting this?