 This party was banned in 1949 along with the Mexican Communist Party as part of a wider policy against "extremism".In 1951, however, when it was clear that the more moderate National Action Party (PAN) had become the main party of opposition to the PRI government, the Synarchist leader Juan Ignacio Padilla converted the movement to a non-party one promoting conservative Catholic social doctrine, promoted through co-operatives, credit unions and Catholic trade unions.Nonetheless the PAN actively sought co-operation with the Sinarquistas as part of its attempts to form a mass movement, and the Synarchist movement was active on behalf of the party during the 1958 election campaigns.