In March 1930, it organized the Galician Republican Federation with the support of the Radical Republican Party and the Radical Socialist Republican Party. Represented by Casares Quiroga, it was a signatory of the Pact of San Sebastián. The Radicals left the Galician Republican Federation following the proclamation of the Republic although the FRG continued to exist until 1932. The federation won 16 seats in the 1931 election.