In addition to the data referred to in paragraphs 1 and 3, where a decision has been taken to issue or to refuse a travel authorisation, the ETIAS National Unit of the Member State responsible shall also add the reasons for its final decision, unless that decision is a refusal based on a negative opinion from a consulted Member State.
I dteannta na sonraí dá dtagraítear i mír 1 agus i mír 3, i gcás ina mbeidh cinneadh déanta údarú taistil a eisiúint nó a dhiúltú, déanfaidh Aonad Náisiúnta ETIAS an Bhallstáit atá freagrach na cúiseanna lena chinneadh deiridh a chur leis freisin, ach amháin más diúltú é an cinneadh sin atá bunaithe ar thuairim dhiúltach ó Bhallstát a ndeachthas i gcomhairle leis.