Oblates of Saints Ambrose and Charles
Roman Catholic religious congregation for men

The Oblates of Saints Ambrose and Charles (Latin: Congregatio Oblatorum Sanctorum Ambrosii et Caroli) is an Ambrosian association of lay people and secular clergy in the Archdiocese of Milan. Its members use the suffix 'O.SS.C.A'. It was originally based in San Sepolcro, Milan, but in 1928 moved to its present base on via Settala.
Their spirituality does not belong to any particular school, but has strong elements of the Ignatian - part of their charism is to maintain a spirituality whose marks are belonging to the diocesan clergy, obedience to the bishop and safeguarding elements of the Ambrosian Rite.
History
It was founded as the Oblates of St Ambrose in Milan in 1578 by archbishop Carlo Borromeo, inspired by the Oratorians, although he had begun preparing for the establishment of the association as early as 1570. Its initial members were diocesan priests who made a vow of particular obedience to their bishop and of stability (ie to stay in the institution), but no vow of poverty and no vow to live in community. This formed a body of well-trained and willing volunteer oblates who the bishop could use for emergencies and other difficult tasks, principally heading seminaries and carrying out popular missionary preaching. Its constitutions were elaborations on those of Agostino Valier and the Barnabite Carlo Bascapè, then bishop of Novara. After a trial period of two years and a commission called by Filippo Neri and Felice da Cantalice, the oblates' rule was promulgated on 13 September 1581.
It was renamed in 1611 by cardinal Federigo Borromeo, who added Carlo Borromeo's name to its title.
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