In order to bridge the gap in the availability of data used to establish lump sums, unit costs and flat rates, the use of an expert judgement should be allowed.
Chun an bhearna a dhúnadh i dtaca le sonraí a bheith ar fáil chun cnapshuimeanna, costais aonaid agus rátaí comhréidhe a bhunú, ba cheart go mbeadh cead breithiúnas saineolach a fháil.