examining the conditions and taking decisions related to the entry and stay of third-country nationals on the territory of the Member States, including on residence permits and long-stay visas, and to the return of third-country nationals, as well as carrying out checks on third-country nationals who are illegally entering or staying on the territory of the Member States;
scrúdú a dhéanamh ar na coinníollacha, agus cinntí a dhéanamh, maidir le teacht isteach agus fanacht náisiúnach tríú tír ar chríoch na mBallstát, lena n-áirítear maidir le ceadanna cónaithe, agus maidir le víosaí fadfhanachta, agus maidir le filleadh náisiúnach tríú tír, chomh maith le seiceálacha a dhéanamh ar náisiúnaigh tríú tír a thagann isteach nó a fhanann go neamhdhleathach ar chríoch na mBallstát;