An 'informal relationship' refers to a relationship that is not formalized as a marriage or as a registered partnership/civil union between a couple. This volume contains detailed information on the law on informal relationships in 30 European countries. Expert members of the Commission on European Family Law (CEFL) have drafted national reports on the basis of a detailed questionnaire. The book integrates all the responses in order to provide an overview and a straightforward simultaneous comparison of the different solutions chosen within national systems. (Series: European Family Law - Vol. 38) Subject: European Law, Family Law]