The record sheets must be such that they do not impede the normal functioning of the instrument and that the records which they contain are indelible and easily legible and identifiable.
Ní mór nó nach gcuireann na leatháin taifid isteach ar ghnáthfheidhmiú na hionstraime agus go mbeidh na taifid a bhfuil orthu doscriosta agus go mbeifear in ann iad a léamh agus a dhéanamh amach go réidh.