The inventory of all the standard bilateral readmission agreements, concluded by each of the 27 EU Member States, would not suffice to provide an overall picture of the various mechanisms and cooperative instruments that have emerged, over the last decade, to sustain the removal or expulsion of illegally staying third-country nationals.
These mechanisms may be formalised, as is often the case, through the conclusion of standard readmission agreements if both contracting parties view this as being valuable to each other’s interests.
Under some circumstances, however, both contracting parties may agree to cooperate on readmission issues without necessarily formalising their cooperation in a standard readmission agreement.
More informations : http://www.mirem.eu/datasets/agreements/index?set_language=en