Dataria n. : Formerly, a part of the Roman chancery; now, a separate office from which are sent graces or favors, cognizable in foro externo, such as appointments to benefices. The name is derived from the word datum, given or dated (with the indications of the time and place of granting the gift or favor).

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Taxonomy
Apostolic Dataria, datary, office, benefices, free encyclopedia, collation, the Holy See, reservations, cardinal, pope, prefect, officers, Roman Curia, authorities, Sapienti consilio, pro-datary, the graces, cashier.

Defination from the web:
dataria was one of the five Ufficii di Curia ('curial offices') which were part of the Roman Curia until its abolition in the 20th century. ... The Dataria was entrusted, chiefly, with the concession of matrimonial dispensations of external jurisdiction, and with the collation (the ...