on a counter-claim arising from the same contract or facts on which the original claim was based, in the court in which the original claim is pending;
i gcás frithéilimh a thig den chonradh céanna nó de na fíorais chéanna ab fhoras don éileamh bunaidh, sa chúirt ina bhfuil an t-éileamh bunaidh ar feitheamh;