The symbols including the colour of their corresponding tell-tales the presence of which is mandatory by virtue of UN Regulation No 121 shall comply with that UN Regulation.
Comhlíonfaidh na siombailí is éigean a bheith ann de bhun Rialachán Uimh. 121 de chuid NA, agus dath na nodchomharthaí a ghabhann leo, comhlíonfaidh siad an Rialachán sin de chuid NA.