Member States should therefore verify at least one of those biometric identifiers in cases of doubt as to the authenticity of the travel document for crossing the border or the identity of its holder.
Ba cheart do na Ballstáit, dá bhrí sin, ceann amháin de na sainaitheantóirí bithmhéadracha sin ar a laghad a fhíorú i gcásanna amhrais faoi bharántúlacht an doiciméid taistil chun an teorainn a thrasnú, nó faoi chéannacht a shealbhóra.