Higher Education Institutions are autonomous bodies which are entitled to regulate their own affairs and administrative processes, and it is not within my remit to become involved in the details of their accommodation provision.
In cases where a student wishes to extend their stay in their accommodation beyond the period agreed in their original license agreement, I would recommend that they make contact with their accommodation provider at the earliest possible opportunity to see if this can be facilitated. If this is not possible, under the Residential Tenancies (Amendment) Act 2019 students have access to the Dispute Resolution Services of the Residential Tenancies Board (RTB). The relevant division of the RTB can be contacted at ssa@rtb.ie.