[At the outset of a large movement of refugees, receiving States, bearing in mind their national capacities and international legal obligations, in cooperation, as appropriate, with the Office of the United Nations High Commissioner for Refugees, international organizations and other partners and with the support of other States as requested, in conformity with international obligations, would:] Take steps to ensure the credibility of asylum systems, including through collaboration among the countries of origin, transit and destination and to facilitate the return and readmission of those who do not qualify for refugee status.