 The most important of these was the creation of regional federations of savings banks.Bank federations in Spain emerged as a response to regulatory changes that modified the otherwise equal framework for business under which private commercial and savings banks could compete.Led by the Basque-Navarre federation in 1924, the Galician Federation, the Levante Federation, the Catalan-Aragonese-Balearic Federation, the Western Federation, the Castilian Federation, the Asturian Federation, and the Federation of Savings Banks in Andalusia.