It must be possible, from the characteristics of the traces, their relative positions and if necessary the signs laid down in Article 34 of this Regulation, to distinguish clearly between the various periods of time.
Caithfear bheith in ann, ó thréithe na rianta, óna n ionaid choibhneasta agus más gá ó na comharthaí a leagtar síos in Airteagal 34 den Rialachán seo idirdhealú soiléir a dhéanamh idir na tréimhsí éagsúla ama.