It is necessary to keep the personal data of third-country nationals who have respected the duration of authorised stay and of third-country nationals whose entry for a short stay has been refused for a period of three years and to keep the personal data of third–country nationals who have not exited the territory of the Member States within the authorised period of stay for a period of five years, to allow the border guard to conduct the necessary risk analysis required by Regulation (EU) 2016/399 before authorising a traveller to enter the territory of the Member States.
Is gá sonraí pearsanta náisiúnach tríú tír a chloígh le fad an fhanachta údaraithe agus sonraí pearsanta náisiúnach tríú tír dár diúltaíodh cead dul isteach le haghaidh gearrfhanachta a choinneáil ar feadh tréimhse 3 bliana agus sonraí pearsanta náisiúnach tríú tír nár imigh as críoch na mBallstát faoi dheireadh an fhanachta údaraithe a choinneáil ar feadh tréimhse5 bliana, chun go gcuirfear ar chumas an gharda teorann an anailís riosca is gá a dhéanamh a cheanglaítear le Rialachán (AE) 2016/399 sula n-údaróidh sé do thaistealaí dul isteach ar chríoch na mBallstát.