Where the ETIAS National Unit of the Member State responsible considers that some aspects of the application for a travel authorisation deserve further examination by the border authorities, it should be able to attach a flag to the travel authorisation it issues, recommending a second line check at the border crossing point.
I gcás ina measann Aonad Náisiúnta ETIAS an Bhallstáit atá freagrach gurbh fhiú do na húdaráis teorann tuilleadh scrúdaithe a dhéanamh ar ghnéithe áirithe den iarratas ar údarú taistil, ba cheart dó a bheith in ann bratach a chur i gceangal leis an údarú taistil a eisíonn sé lena moltar go ndéanfaí seiceáil ar an dara líne ag an bpointe trasnaithe teorann.