measures necessary for the preparation of return operations, such as those leading to the identification of third-country nationals, to the issuing of travel documents and to family tracing;
bearta atá riachtanach chun oibríochtaí maidir le filleadh a ullmhú, amhail na cinn lena bhféadfaí náisiúnaigh tríú tíortha a shainaithint, doiciméid taistil a eisiúint agus teaghlach a lorg;