1) Office of the Papal curia 2) Official of the Roman Curia 3) Roman Curia office 
papal officer who registers and dates bulls and edicts
• (n.) An officer in the pope`s court, having charge of the Dataria. • (n.) The office or employment of a datary.
Da'ta·ry noun [ Late Latin datarius . See Dataria .] 1. (R. C. Ch.) An officer in the pope's court, having charge of the Dataria. 2. The office or employment of a datary.