He was one of the most heard voices against any kind of changes during the last years of Francoist regime, taking part in the political group known as "the Bunker", for their reluctance to the Spanish transition to democracy after Franco's death.He deployed an intense activity, like the labor institutes for training workers and the development of the social security system (Instituto Nacional de Previsión [es]).He was removed from the Ministry in 1957 according to the liberalizing shift that Franco wished for the Spanish economy (Stabilization Plan).[citation needed] Throughout Francoism, Girón was one of the leaders of Falange and he increasingly showed his dissent, according to the Falangist principles, to many policies of the regime.After Franco's death, both he and Blas Piñar were the natural leaders of the "Bunker" in the Cortes Españolas, and voted against the Political Reform Act of 1976 that allowed the transition to democracy.