Regulation (EU) 2016/399 of the European Parliament and of the Council [3] lays down the conditions, criteria and detailed rules for the crossing of the external borders of the Member States.
Le Rialachán (AE) Uimh. 2016/399 ó Pharlaimint na hEorpa agus ón gComhairle [3], leagtar síos na coinníollacha, na critéir agus na rialacha mionsonraithe maidir le teorainneacha seachtracha na mBallstát a thrasnú.