https://www.google.com/url?sa=t&sour...SNItk1dV9JknLZ
In this link you may find the JAR FCL 1.080 related to Recording of Flight Time.
I know, it is old, it is JAR and not EASA, it is from the Greek CAA... but it is the only thing I've got to offer just now, maybe it can shed some light.