By the Pact of San Sebastián (August 17, 1930), the Spanish republican parties agree to prepare a change of regime in case of victories in the following elections.
Three days later, the government of new the Spanish Republic, worried, sent three ministers (Fernando de los Ríos, Lluís Nicolau d'Olwer and Marcel·lí Domingo) to Barcelona to negotiate with Macià and the Catalan government.