in so far as is strictly necessary where, for reasons of extreme urgency brought about by unforeseeable events, it is impossible to comply with the time limits laid down in points 24, 26 and 41 and where the justification of such extreme urgency is not attributable to the contracting authority;
a mhéid a bhfuil fíorghá leis i gcás, ar chúiseanna fíorphráinne mar thoradh ar chúinsí gan choinne, ina bhfuil sé dodhéanta na teorainneacha ama a leagtar síos i bpointe 24, i bpointe 26 agus i bpointe 41 a chomhlíonadh agus i gcás nach é an t-údarás conarthach is cúis leis an bhfíorphráinn sin;