 They also turned their profits into the main source of funds (and therefore to support the "Obra Social").Regulatory innovations put to an end the broad discretion that the directors of savings banks previously had and established specific and detailed guidelines whose use (and abuse) grew in Francoist Spain.Francoist Spain (1939–1975) reaffirmed the pre-eminence of private commercial banks within the Spanish financial system and introduced regulation that handicapped traditional savings banks.